| 单词 | nitric |
| 例句 | The stuff was like nitric acid, and moreover, in swallowing it one had the sensation of being hit on the back of the head with a rubber club. 1984 1949-06-08T00:00:00Z They found that if they cleaned an infected wound with chemicals such as carbolic acid, bromine, nitric acid, and iodine, they could sometimes heal it. Ambushed! 2021-10-12T00:00:00Z In words belonging to chemistry derivatives in -ic denote the acid containing most oxygen, when more than one is formed: as nitric acid. New Word-Analysis 1871-01-01T00:00:00Z Take for example the amino acid arginine: This is essential for generating nitric oxide within immune cells, which is an important defense molecule against organisms. Colds, flu and COVID: How diet and lifestyle can boost your immune system 2023-01-16T05:00:00Z Lewis, a professor at Tufts University, has also added to our understanding, discovering that the beetle uses one gas, nitric oxide, to control another, oxygen, to switch the beacons on and off. Humans love fireflies, but we haven’t made life easy for them 2016-07-05T04:00:00Z Dr. McCambridge distinguishes between whey protein, which she considers to be a dietary supplement, and performance-enhancing substances like creatine and nitric oxide. 2010-01-14T00:15:00Z It's an old, chemical stunt – you just have to fire some potassium nitrate to a certain height, a yellow powder dissolved in nitric acid and alkalis. The Birthday Party and the Airman by ?ukasz D?bski, translated by Antonia Lloyd-Jones 2011-04-08T10:22:00Z "Several studies have determined that heart disease can be linked to oxidative stress, inflammation, and endothelial damage. Resveratrol has been shown to reduce oxidative stress, stimulate endothelial production of nitric oxide, and inhibit vascular inflammation." These are the best foods for your heart, experts say 2022-02-01T05:00:00Z One of citrulline's functions within our bodies is to contribute to nitric oxide synthesis. The health benefits of watermelon juice 2022-08-06T04:00:00Z The scientists discovered that the body uses nitric oxide to make blood vessels widen. Viagra: the little blue pill that revolutionised our sex lives | Observer profile 2017-12-02T05:00:00Z Stacey Zimmerman, 25, an advertising account executive and avid runner in New York, consumes protein bars, electrolyte replacement gels but avoids products with creatine and nitric oxide. 2010-01-14T00:15:00Z Reynolds said that helped the team identify the best ratios and methods to release the nitric oxide. Antibacterial material developed for use with internal medical devices such as hip replacements or pacemakers 2023-11-16T05:00:00Z To follow up, the scientists plan to further explore the intricacies of the bond-breaking process and how to optimize the production of nitroxide or nitric oxide. Scientists shed light on potential breakthrough biomedical molecule 2023-10-24T04:00:00Z Acid rain—precipitation with high levels of sulfuric or nitric acids—is mostly caused by sulfur dioxide, a gas that is produced when we burn coal. The World Solved Acid Rain. We Can Also Solve Climate Change 2023-10-25T04:00:00Z Obtain some nitric acid and place a drop on your gold. How To Test For Real Gold 2018-03-21T04:00:00Z For the first time, researchers found they had reduced blood and oxygen flow to the brain due to less nitric oxide, which helps blood vessels regulate blood around the body. Concussion: Wales rugby great JPR Williams' fear after study 2023-07-26T04:00:00Z Working together, the teams combined their two frameworks into a single thin- film membrane to slowly release nitric oxide. Antibacterial material developed for use with internal medical devices such as hip replacements or pacemakers 2023-11-16T05:00:00Z Because the process happens at very high temperatures, it may also lead to higher nitric oxide emissions and lower efficiency. Truckers eye combustion engine future by burning hydrogen 2023-07-24T04:00:00Z They can inhibit production of nitric oxide, a chemical messenger that relaxes artery walls and helps keep the vessels open. Straight from the heart: Mysterious lipids may predict cardiac problems better than cholesterol 2023-03-15T04:00:00Z Enovid is a nitric oxide nasal spray that is available in certain countries, including Israel, Indonesia and Bahrain. Opinion | The Checkup With Dr. Wen: What does it mean to hold China ‘accountable’ for covid? 2023-03-02T05:00:00Z Pollutants like nitric oxide and sulfur dioxide build up black crusts on the marble, “like tartar that preludes cavities in teeth,” Mr. Canali said. A High-Maintenance Relationship for 637 Years, but Milan’s Duomo Is Still Adored 2023-02-19T05:00:00Z A well-known antimicrobial agent that occurs naturally in the body, nitric oxide not only kills bacteria and fungus on contact but continues to do so over an extended period of time. Antibacterial material developed for use with internal medical devices such as hip replacements or pacemakers 2023-11-16T05:00:00Z The Centers for Disease Control and Prevention’s website says exposure to nitric acid can irritate the eyes, skin and mucous membranes. Officials: Arizona spill likely not due to speed or alcohol 2023-02-16T05:00:00Z On Tuesday, a truck traveling near Tucson spilled nitric acid when it crashed, forcing an evacuation and extended highway closure. High-profile chemical spills on rails, roads prompt transport concerns 2023-02-15T05:00:00Z The Centers for Disease Control and Prevention says nitric acid is a highly corrosive, colorless liquid with yellow or red fumes and can cause an acrid smell. Hazardous spill closes Tucson interstate, forces evacuation 2023-02-14T05:00:00Z The Centers for Disease Control and Prevention’s website says nitric acid is a highly corrosive, colorless liquid with yellow or red fumes and can cause an acrid smell. ‘Extended closure’ expected after deadly Arizona crash, leak 2023-02-15T05:00:00Z When you breathe through your nose, your sinuses naturally produce a gas called nitric oxide. Can a Piece of Tape Help You Sleep? 2022-11-28T05:00:00Z One such reaction is the combination of nitric oxide, NO, with ozone, O3: Chemistry 2019-02-14T00:00:00Z Melatonin is an effective antioxidant, protecting the CNS from free radicals such as nitric oxide and hydrogen peroxide. Biology for AP Courses 2022-06-09T00:00:00Z It says exposure to nitric acid can irritate the eyes, skin, and mucous membranes. Hazardous spill closes Tucson interstate, forces evacuation 2023-02-14T05:00:00Z It says exposure to nitric acid can irritate the eyes, skin and mucous membranes. ‘Extended closure’ expected after deadly Arizona crash, leak 2023-02-15T05:00:00Z It was a tank with four tons of nitric acid that was destroyed. The Environmental Disasters Now Threatening Ukraine 2022-07-20T04:00:00Z The reaction of nitric oxide with oxygen appears to involve termolecular steps: Chemistry 2019-02-14T00:00:00Z The gas nitric oxide has been identified as a signaling molecule. Biology for AP Courses 2022-06-09T00:00:00Z The facility uses natural gas to produce ammonia, which is then upgraded into a variety of fertilizers: urea, ammonia nitrate and nitric acid. Fertilizer crisis delivers profits and pain as Ukraine fallout broadens 2022-07-14T04:00:00Z Other nitrogen oxides include nitrous acid and nitric acid. Environmental Biology 2018-09-06T00:00:00Z Macrophage oxidative metabolism is hostile to intracellular bacteria, often relying on the production of nitric oxide to kill the bacteria inside the macrophage. Anatomy and Physiology 2013-06-19T00:00:00Z Likewise, the reaction of nitric oxide with chlorine appears to involve termolecular steps: Chemistry 2019-02-14T00:00:00Z Gaidai warned Sievierodonetsk residents not to leave bomb shelters due to what he said was a Russian air strike on a nitric acid tank. U.S. agrees to send advanced rockets to Ukraine 2022-06-01T04:00:00Z An explosion also reportedly hit a nitric acid container in the city, which is thought to have been caused by an airstrike, Mr Haidai said. Ukraine reports 15,000 suspected war crimes 2022-05-31T04:00:00Z The result is a mild solution of sulfuric acid and nitric acid. Environmental Biology 2018-09-06T00:00:00Z Eventually, it concluded that its propellant had seeped through a valve and interacted with moisture in the air, creating nitric acid that corroded the valves and forced them to remain shut. Boeing faces a major test in the do-over of its spaceflight attempt 2022-05-19T04:00:00Z Two thirds of the world’s hydrogen production is devoted to the manufacture of ammonia, which is a fertilizer and used in the manufacture of nitric acid. Chemistry 2019-02-14T00:00:00Z These drugs also interfere with the production of nitric oxide, a natural chemical that helps blood vessels relax and dilate. Do strong heartburn drugs promote dementia? 2022-04-13T04:00:00Z LVIV, Ukraine — The governor of eastern Ukraine’s Luhansk region has urged residents to stay inside, shut windows and doors and prepare wet face masks after a Russian strike hit a tank containing nitric acid. Live updates | UN says 11 million have fled homes in Ukraine 2022-04-05T04:00:00Z Acid rain is a term referring to a mixture of wet and dry deposition from the atmosphere containing higher than normal amounts of nitric and sulfuric acids. Environmental Biology 2018-09-06T00:00:00Z Over time, however, scientists have uncovered other functions for the cells, such as managing blood levels of nitric oxide, the molecule that spurs blood vessels to dilate. Red blood cells may be immune sentinels 2021-10-19T04:00:00Z Traces of nitric acid occur in the atmosphere after thunderstorms, and its salts are widely distributed in nature. Chemistry 2019-02-14T00:00:00Z The interaction may have caused nitric acid to form, corroding the valves and causing them to stick. Nearly two months after discovering a problem with its Starliner spacecraft, Boeing is still searching for answers 2021-09-24T04:00:00Z Haidai warned that nitric acid “is dangerous if inhaled, swallowed and in contact with skin and mucous membranes.” Live updates | UN says 11 million have fled homes in Ukraine 2022-04-05T04:00:00Z Some of the nitrogen tetroxide appears to have permeated through Teflon seals and interacted with moisture on the other side to produce nitric acid, Mr. Vollmer said. Boeing’s Starliner Launch Is Delayed, Again, Possibly Until Next Year 2021-08-13T04:00:00Z “And that nitric acid resulted in some corrosion, which resulted in stiction of those valves. So that is primarily what we’re looking at right now, as the most likely cause for the issue.” Boeing’s Starliner to go back to factory for repairs, probably causing another major delay for troubled program 2021-08-13T04:00:00Z Notable exceptions are carbon monoxide, CO, nitrous oxide, N2O, and nitric oxide, NO. Chemistry 2019-02-14T00:00:00Z People who refused to get a vaccine resorted to exposing part of their skin to nitric acid. California encourages venues to require vaccine 'passports’ — just don't call them that 2021-04-19T04:00:00Z With sepsis, Mansell said the body commonly creates too much nitric oxide or substance P, which causes more problems for the patient. Wyoming doctor’s patents focus on ways to reduce pain 2021-03-06T05:00:00Z Killing healthy bacteria means less nitrite and nitric oxide in your blood. When the time comes, here’s how to ensure your COVID vaccine has been properly handled 2020-12-16T05:00:00Z His specialties at NIH included the chemistry and pharmacology of nitric oxide. Community deaths 2020-10-14T04:00:00Z Low yields of nitric oxide, NO, form when heating nitrogen and oxygen together. Chemistry 2019-02-14T00:00:00Z Laughter releases nitric oxide, a chemical that relaxes blood vessels, reduces blood pressure and decreases clotting, Dr. Miller said. Laughter May Be Effective Medicine for These Trying Times 2020-10-01T04:00:00Z Authorities warned that the smoke could contain chlorine, nitric oxide and other toxins used in industrial and commercial disinfectants and for swimming pool maintenance. Laura devastated a narrow path north of the Gulf Coast, sparing some population centers 2020-08-27T04:00:00Z Other approaches included inhaled nitric oxide and blood plasma. Study Offers Details of U.S. Children Severely Sickened by Coronavirus 2020-05-11T04:00:00Z Now, in addition to getting his clinical trial started, Alvarez is caring for a second patient treated with the nitric oxide. Is hydroxychloroquine making COVID-19 clinical trials harder? 2020-04-11T04:00:00Z When copper reacts with dilute nitric acid, nitric oxide is the principal reduction product: Chemistry 2019-02-14T00:00:00Z Some doctors are experimenting with adding nitric oxide to the mix, to help improve blood flow and oxygen to the least damaged parts of the lungs. Some doctors moving away from ventilators for virus patients 2020-04-08T04:00:00Z And that’s it, said Dr. Warren Zapol, a pioneer in the medical uses of nitric oxide and director of Mass General’s Anesthesia Center for Clinical Research. How a discovery that brought us Viagra could help those battling the coronavirus 2020-04-05T04:00:00Z At Massachusetts General Hospital, a team of Harvard doctors is testing the effectiveness of inhaled nitric oxide on coronavirus patients. Covid-19 Changed How the World Does Science, Together 2020-04-01T04:00:00Z MPO also reduces the effectiveness of HDL, the “good” cholesterol, and removes nitric oxide, which is important for the regulation of healthy blood flow. Chronic inflammation is long lasting, insidious, dangerous. And you may not even know you have it. 2020-01-17T05:00:00Z Gaseous nitric oxide is the most thermally stable of the nitrogen oxides and is the simplest known thermally stable molecule with an unpaired electron. Chemistry 2019-02-14T00:00:00Z They use mercury and nitric acid, which also cause breathing problems, to leach precious ore out of sediment. Special Report: The wildcat gold miners who get rich sick 2019-07-24T04:00:00Z This winter, as he watched the new coronavirus known as SARS-CoV-2 spread across the globe, Berra dusted off those studies, talked to the companies that supplied nitric oxide in tanks, and readied his plan. How a discovery that brought us Viagra could help those battling the coronavirus 2020-04-05T04:00:00Z To keep the kids’ dinner fresh, beewolf eggs produce nitric oxide, seen here as bright yellow spots covering the dead bee. Daily briefing: Deep-learning algorithm teaches itself to solve a Rubik’s cube 2019-07-18T04:00:00Z The researchers found that beewolf eggs produce nitric oxide, seen here as bright yellow spots covering the dead bee. Suns, sloths and spy satellites — June’s best science images 2019-07-03T04:00:00Z It is possible to prepare nitrogen dioxide in the laboratory by heating the nitrate of a heavy metal, or by the reduction of concentrated nitric acid with copper metal, as shown in Figure 18.36. Chemistry 2019-02-14T00:00:00Z Iron creates a visual record of its tasty mischief by teaming up with smoke-conveyed gases like nitric oxide to leave a thin ring of pink graffiti beneath the outer walls of the meat’s surface. The Science of Barbecue 2019-06-03T04:00:00Z In 1992, the journal Science named nitric oxide “molecule of the year.” How a discovery that brought us Viagra could help those battling the coronavirus 2020-04-05T04:00:00Z Excess free hemoglobin will therefore rob the blood of nitric oxide, constrict blood vessels and potentially cause hypertension and reduced blood flow to the organs. Icefish Study Adds Another Color to the Story of Blood 2019-05-06T04:00:00Z Cyanide and nitric acid are also being used in the process, according to researchers and miners in Ghana. Exclusive: Gold worth billions smuggled out of Africa 2019-04-24T04:00:00Z The Ostwald process is the commercial method for producing nitric acid. Chemistry 2019-02-14T00:00:00Z And then, over the next several hours, some of the nitrite is further reduced to nitric oxide in the gut. Beet juice gains traction as an evidence-based aid for athletes 2019-03-22T04:00:00Z In humans, nitric oxide is naturally generated by 60 trillion cells that line our blood vessels, and by some brain cells as well. How a discovery that brought us Viagra could help those battling the coronavirus 2020-04-05T04:00:00Z Heme has even greater affinity for nitric oxide than oxygen, and the body uses nitric oxide as a signaling molecule to control blood pressure. Icefish Study Adds Another Color to the Story of Blood 2019-05-06T04:00:00Z Those who did resistance training would have produced less of a substance, nitric oxide, that is thought to affect the activity of telomerase and contribute to lengthening telomeres. Is Aerobic Exercise the Key to Successful Aging? 2018-12-12T05:00:00Z This process involves the oxidation of ammonia to nitric oxide, NO; oxidation of nitric oxide to nitrogen dioxide, NO2; and further oxidation and hydration of nitrogen dioxide to form nitric acid: Chemistry 2019-02-14T00:00:00Z Nitrite also enters the blood and bodily tissues, where it is enzymatically reduced to nitric oxide. Beet juice gains traction as an evidence-based aid for athletes 2019-03-22T04:00:00Z Inhaled nitric oxide relaxes those vessels, increasing the transfer of oxygen to the blood and easing the heart’s workload. How a discovery that brought us Viagra could help those battling the coronavirus 2020-04-05T04:00:00Z Researchers concluded there was a link between exposure to nitric oxide from car exhaust during pregnancy and greater incidence of childhood ASD. Researchers say air pollution may increase risk of autism 2018-12-09T05:00:00Z Zhou and colleagues now show that nitric oxide protects kidneys from ischaemic damage. Metabolism reprogrammed by the nitric oxide signalling molecule 2018-11-27T05:00:00Z Nitric acid is stable in aqueous solution; solutions containing 68% of the acid are commercially available concentrated nitric acid. Chemistry 2019-02-14T00:00:00Z So they hypothesize that this pathway is particularly important during exercise as a backup system to ensure that enough nitric oxide gets made in muscles and other tissues. Beet juice gains traction as an evidence-based aid for athletes 2019-03-22T04:00:00Z Like nitric oxide, Viagra, known generically as sildenafil, dilates blood vessels. How a discovery that brought us Viagra could help those battling the coronavirus 2020-04-05T04:00:00Z Mr. Chen saw an opportunity, coming up with a homemade remedy — a combination of nitric acid, mercury and vinegar. Scandals Catch Up to Private Chinese Hospitals, After Fortunes Are Made 2018-11-15T05:00:00Z In a clever set of biochemical studies, they showed that nitric oxide modifies specific cysteine residues of pyruvate kinase M2. Metabolism reprogrammed by the nitric oxide signalling molecule 2018-11-27T05:00:00Z Less active metals such as copper, silver, and lead reduce concentrated nitric acid primarily to nitrogen dioxide. Chemistry 2019-02-14T00:00:00Z For instance, she made a series of photo-text works that document the process of submerging metal plates in trays of sulfuric and nitric acid. Review: The artwork of Adrian Piper makes a stern proclamation: 'Everything will be taken away' - Los Angeles Times 2018-10-13T04:00:00Z Engraving demanded physical strength to cut the surface of the copperplate; etching, the use of hazardous nitric acid to dissolve away the metal. How seventeenth-century sisters broke the mould on scientific illustration 2018-10-08T04:00:00Z Backyard recyclers in places like India and Indonesia recover gold by bathing circuit boards in nitric and hydrochloric acid, thus poisoning waterways and communities. E-Waste Offers an Economic Opportunity as Well as Toxicity 2018-07-05T04:00:00Z This is one of the key findings of the study: pyruvate kinase M2 is a target of nitric oxide. Metabolism reprogrammed by the nitric oxide signalling molecule 2018-11-27T05:00:00Z The reaction of dilute nitric acid with copper produces NO. Chemistry 2019-02-14T00:00:00Z For example, those cells normally emit nitric oxide, which relaxes blood vessels and reduces blood pressure—and immune cells inhibit nitric oxide production. Can targeting immune cells offer new way to combat hypertension? 2018-02-28T05:00:00Z For example, at a semiconductor facility in Phoenix we had a "wet bench" that used nitric acid so it produced nitrous oxide fumes. Fear of the Federal Government in the Ranchlands of Oregon 2018-01-18T05:00:00Z And a 1997 study in The Lancet showed that on the skin, nitrite in saliva is converted to nitric oxide, which is antimicrobial. How Dog and Cat 'Kisses' Can Turn Deadly 2017-10-24T04:00:00Z The authors found that ischaemia causes less damage in these mice than in wild-type mice, consistent with the idea that pyruvate kinase mediates the protective effects of nitric oxide. Metabolism reprogrammed by the nitric oxide signalling molecule 2018-11-27T05:00:00Z Nonmetallic elements, such as sulfur, carbon, iodine, and phosphorus, undergo oxidation by concentrated nitric acid to their oxides or oxyacids, with the formation of NO2: Chemistry 2019-02-14T00:00:00Z They found that if you do acupuncture correctly, your body releases more nitric oxide at the points where the needles are inserted. What’s happening in your body during acupuncture? 2017-07-01T04:00:00Z "No other harmful gases like nitric oxides, soot or sulphuric oxides are emitted." Ant power: Take a ride on a bus that runs on formic acid - BBC News 2017-06-26T04:00:00Z Among the innovations was a system that sprays ammonia into a vehicle’s exhaust system to remove nitric oxide, one of the most harmful pollutants in diesel exhaust. G.M. Accused in Lawsuit of Deceit on Diesel Truck Emissions 2017-05-25T04:00:00Z The authors therefore conclude that nitric oxide inhibits pyruvate kinase and glycolysis, causing glucose levels to increase. Metabolism reprogrammed by the nitric oxide signalling molecule 2018-11-27T05:00:00Z Nitrates, salts of nitric acid, form when metals, oxides, hydroxides, or carbonates react with nitric acid. Chemistry 2019-02-14T00:00:00Z Belly laughing releases endorphins, triggering receptors in blood vessels to produce nitric oxide, which in turn, dilates blood vessels, increases blood flow, reduces the risk of blood clots, and more. To take care of your heart, even little changes can help 2017-02-17T05:00:00Z These increase the availability of nitric oxide which controls blood pressure. Does prosecco have health benefits? - BBC News 2016-12-02T05:00:00Z Also, the researchers found that the more alcohol heavy drinkers consumed, the lower the level of nitric oxide. Heavy Drinking Might Harm the Lungs 2016-08-05T04:00:00Z This reprogramming of metabolism represents a major new aspect of nitric oxide biology. Metabolism reprogrammed by the nitric oxide signalling molecule 2018-11-27T05:00:00Z Most nitrates are soluble in water; indeed, one of the significant uses of nitric acid is to prepare soluble metal nitrates. Chemistry 2019-02-14T00:00:00Z As a result, the concentration of nitric oxide is elevated in gases from the colons of people with inflammatory bowel disease86, 87, 88. Interactions between the microbiota and pathogenic bacteria in the gut : Nature : Nature Publishing Group 2016-07-05T04:00:00Z Dry air with nitric acid vapour is flushed over the ionizer to generate ions. Ion-induced nucleation of pure biogenic particles : Nature : Nature Publishing Group 2016-05-24T04:00:00Z He added that further research is needed to learn more about the interaction between alcohol and nitric oxide in the airways. Heavy Drinking Might Harm the Lungs 2016-08-05T04:00:00Z The first component is S-nitroso-coenzyme A, a molecule that donates nitric oxide groups to target proteins. Metabolism reprogrammed by the nitric oxide signalling molecule 2018-11-27T05:00:00Z Nitrous acid is an active oxidizing agent with strong reducing agents, and strong oxidizing agents oxidize it to nitric acid. Chemistry 2019-02-14T00:00:00Z BlueTEC is a filter system which uses urea to help rid exhaust fumes of health threatening nitric oxides. Mercedes diesel owners file new lawsuit in United States 2016-04-08T04:00:00Z This process requires multiple etches of gum Arabic and nitric acid and rolling up the stone with ink. Minot instructors’ art integral to adult storybook Bible 2016-03-27T04:00:00Z The study is the first to find a link between excessive drinking and nitric oxide, according to the researchers. Heavy Drinking Might Harm the Lungs 2016-08-05T04:00:00Z These exciting results show that S-nitroso-coenzyme A reductase acts in vivo in mammals to control nitric oxide signalling, which is the third major discovery of the study. Metabolism reprogrammed by the nitric oxide signalling molecule 2018-11-27T05:00:00Z If concentrated nitric acid is used, nitrogen dioxide is produced instead of nitrogen monoxide. Chemistry 2019-02-14T00:00:00Z The drugs contain nitric oxide, which opens blood vessels and relaxes muscles. Men, Avoid Impotence Drugs Before Surgery 2016-03-21T04:00:00Z It increases the nitric oxide made by arteries, which allows them to expand and carry more blood when circumstances demand. We all know exercise makes you live longer. But this will actually get you off the couch. 2016-02-22T05:00:00Z "And an important factor that regulates blood flow to the eye is a substance called nitric oxide." Green, Leafy Vegetables Each Day May Help Keep Glaucoma at Bay 2016-01-14T05:00:00Z The nitric oxide sensor worked for 400 days in mice, which to Strano's knowledge is the longest any implanted chemical sensor has been in place, and did so without provoking any immune response. The inside story on wearable electronics 2015-11-30T05:00:00Z Thus, it does not displace hydrogen from acids; however, it will react with strong oxidizing acids, such as nitric acid: Chemistry 2019-02-14T00:00:00Z The juice contains nitrate, which the body converts to nitric oxide, the compound that keeps arteries limber. Beet Juice Could Help Body Beat Altitude 2015-10-21T04:00:00Z The direct effect of exercise, according to Gray, appears to be increased levels of nitric oxide, a molecule that triggers blood vessels to open up. Whistle … and Walk … While You Work 2015-10-08T04:00:00Z Green leafy vegetables contain nitrates, which are precursors to nitric oxide, the researchers said. Green, Leafy Vegetables Each Day May Help Keep Glaucoma at Bay 2016-01-14T05:00:00Z Nitrogen oxides, which include nitric oxide and nitrogen dioxide, are not the only tailpipe emissions to cause concerns. Automakers Ask Europe for Leniency in Emissions Testing 2015-10-02T04:00:00Z For example, although NO is often called nitric oxide, its proper name is nitrogen monoxide. Chemistry 2019-02-14T00:00:00Z Sinuses also help control the amount of nitric oxide in the body and in the lungs. 7 Surprising Facts About Your Nose 2015-09-23T04:00:00Z Nitrates are processed into nitric oxide by the body, which helps relax blood vessels and improve metabolism. Beet Juice Boosts Muscle Power in Heart Patients 2015-09-21T04:00:00Z Cialis works by blocking PDE5, an enzyme that breaks down a substance called nitric oxide that promotes dilation of blood vessels. Impotence Drug Aids Treatment of Rare Lung Disease: Study 2015-08-26T04:00:00Z Chemists are developing tiny devices made from carbon nanotubes wrapped with polymers to detect biologically important compounds such as insulin, nitric oxide and the blood-clotting protein fibrinogen. Nanotube implants show diagnostic potential 2015-08-20T04:00:00Z Is the dissolution of silver in nitric acid an acid-base reaction or an oxidation-reduction reaction? Chemistry 2019-02-14T00:00:00Z The treatment is nitric oxide, a substance produced and used throughout the human body. Experimental Treatment Uses Nitric Oxide for Acne 2015-07-31T04:00:00Z In a monthlong pilot project last year in Denver, Street View cars equipped with Aclima sensors measured levels of smog ingredients, including nitrogen dioxide, nitric oxide, ozone, carbon monoxide and volatile organic compounds. Google Street View Soon to Picture Local Pollution Too 2015-07-30T04:00:00Z With more nitric oxide available, the arteries feeding the lungs are better able to dilate, increasing blood flow. Impotence Drug Aids Treatment of Rare Lung Disease: Study 2015-08-26T04:00:00Z The nitric oxide sensors also performed well when injected into the bloodstreams of mice, successfully passing through small capillaries in the lungs, which are an area of concern for nanotube toxicity. Nanotube implants show diagnostic potential 2015-08-20T04:00:00Z In an accident, a solution containing 2.5 kg of nitric acid was spilled. Chemistry 2019-02-14T00:00:00Z But, nitric oxide's benefits are usually short-lived, researchers explained. Experimental Treatment Uses Nitric Oxide for Acne 2015-07-31T04:00:00Z These photons are not efficiently absorbed in the epidermis and penetrate more deeply, initiating the production of nitric oxide. Go ahead, soak up some sun 2015-07-24T04:00:00Z Nitrogen dioxide and nitric oxide are among the chief culprits listed by the CAA. What's it like to live near an airport? - BBC News 2015-07-01T04:00:00Z Iverson, who is starting her own lab at the University of Nebraska–Lincoln, plans to further develop the nitric oxide sensors for cancer treatments. Nanotube implants show diagnostic potential 2015-08-20T04:00:00Z At higher temperatures, boron reacts with all nonmetals, except tellurium and the noble gases, and with nearly all metals; it oxidizes to B2O3 when heated with concentrated nitric or sulfuric acid. Chemistry 2019-02-14T00:00:00Z The research theorizes that proton pump inhibitors may reduce production of nitric oxide from cells that line the inside of the circulatory system, including the heart. Common heartburn medications linked to greater risk of heart attack 2015-06-10T04:00:00Z The nitric oxide causes smooth muscle relaxation, leading to a widening of blood vessels and lower blood pressure. Go ahead, soak up some sun 2015-07-24T04:00:00Z "Now, given the underlying biology and the effect of these drugs in reducing nitric oxide in the blood vessel walls, the observed association is not super surprising," Shah told Reuters Health by email. Certain Heartburn Drugs Linked to Increased Risk of Heart Attack 2015-06-10T04:00:00Z In “1984,” George Orwell describes a bowl of stew as “a filthy liquid mess that had the appearance of vomit”; Victory gin tastes “like nitric acid.” Why are we so bad at imagining the food of the future? 2015-04-17T04:00:00Z Burning ammonia is the commercial method of preparing nitric oxide. Chemistry 2019-02-14T00:00:00Z The nitric oxide result is reported by Jennifer Stern and colleagues in this week's edition of the journal Proceedings of the National Academy of Sciences. Curiosity Mars rover detects 'useful nitrogen' 2015-03-25T04:00:00Z The researchers monitored their rate of exhaled nitric oxide, a marker of airway inflammation. Beliefs Can Trigger Asthma Attacks 2015-03-18T04:00:00Z Better blood vessel function means more nitric oxide, and more nitric oxide means better erections. Can Dietary Changes Improve Erectile Dysfunction? 2015-02-17T05:00:00Z One popular idea is that hemoglobin binds with and delivers nitric oxide to cells, sending signals to regulate growth. Sugar Beets Make Hemoglobin 2015-02-01T05:00:00Z In the laboratory, the reduction of nitric acid is the best method for preparing nitric oxide. Chemistry 2019-02-14T00:00:00Z Immune cells detect the infection and respond by releasing chemicals such as nitric oxide and histamines, which destroy the viral invaders and call other immune cells into action. What does measles actually do? 2015-01-30T05:00:00Z Levels of nitric oxide, known to be involved in relaxing and widening blood vessels, increased significantly in the blueberry eaters. Blueberries May Lower Blood Pressure 2015-01-14T05:00:00Z Beets are one of nature’s richest source of nitrates, a dietary compound that can be converted into nitric oxide and therefore improve function of blood vessels throughout the body. Can Dietary Changes Improve Erectile Dysfunction? 2015-02-17T05:00:00Z Their job is to dissolve the irradiated pellets in nitric acid, then extract and concentrate the plutonium into an oxide powder that will eventually go into protective drums. Nuclear power: Desperately seeking plutonium 2014-11-24T05:00:00Z At room temperature, nitric oxide is a colorless gas consisting of diatomic molecules. Chemistry 2019-02-14T00:00:00Z "Nitrosomonas eutropha taking over my skin now metabolizes ammonia into odorless nitrite and nitric oxide. Success!" The creator of Soylent stopped pooping to use less water 2014-10-27T04:00:00Z His passage through customs was an interesting one as nitric acid and diethyl ether are controlled substances, yet both essential in the production of photographic plates when using the wet collodion process. From silver mine to wet plate 2014-10-16T04:00:00Z As luck would have it, dietary choices and exercise can improve nitric oxide levels. Can Dietary Changes Improve Erectile Dysfunction? 2015-02-17T05:00:00Z They suggested that the higher nitric oxide levels may be responsible for widening peripheral arteries and improving the patients' ability to walk. Could Dark Chocolate Help Ease Poor Leg Circulation? 2014-07-02T04:00:00Z Commercially, it is possible to prepare nitrogen dioxide by oxidizing nitric oxide with air. Chemistry 2019-02-14T00:00:00Z Researchers say the banner removes harmful nitric oxide from the air, absorbing the pollution from around 20 cars a day. The poster that 'soaks up' pollution 2014-05-19T04:00:00Z The researchers turned plants into sensors by embedding carbon nanotubes that were engineered to fluoresce in response to nitric oxide, a pollutant from combustion. Implants Could Produce Botanical Steve Austins 2014-03-19T03:59:00Z Foliage with nanotubes fluoresce under infrared light, but stop emitting light in the presence of nitric oxide, a compound common both to plants and pollution. Bionic Plants Offer Superpowered Photosynthesis 2014-03-16T18:01:00Z The researchers found that levels of nitric oxide, a gas linked to improved blood flow, were higher after eating dark chocolate. Could Dark Chocolate Help Ease Poor Leg Circulation? 2014-07-02T04:00:00Z The following sequence of reactions occurs in the commercial production of aqueous nitric acid: Chemistry 2019-02-14T00:00:00Z Blood tests showed that UVA exposure caused a release of nitric oxide from the skin into the bloodstream. Well: Sunshine May Benefit Blood Pressure 2014-01-23T17:42:43Z Over a century later, J. R. Parington tried to replicate the test and concluded that “…it is almost impossible to get these simple ratios in mixing nitric oxide and air over water.” The Replication Myth: Shedding Light on One of Science s Dirty Little Secrets 2013-12-04T23:15:51.986Z It helps to increase the levels of nitric oxide in the body. How can an athlete enhance performance legally? 2013-11-23T00:55:16Z This compound, a nitroimidazole, poisons mycobacteria by releasing nitric oxide once it is metabolized. Drug development: A combined effort 2013-10-09T17:20:55.343Z Determine the total energy change for the production of one mole of aqueous nitric acid by this process. Chemistry 2019-02-14T00:00:00Z Exposure of glioma cells to perivascular nitric oxide reversibly promotes their ability to form tumours. Tumour heterogeneity and cancer cell plasticity 2013-09-18T17:21:13.347Z Lead also inactivates a molecule known as nitric oxide and impairs the kidney, both of which are essential to regulating blood pressure. Overlooked: Thousands of Americans Exposed to Dangerous Levels of Lead in Their Jobs 2013-09-16T13:17:39.627Z Earlier that week, a technician discovered a pipe leaking nitric acid in another part of the plant, temporarily shutting down all activity. The Plutonium Gang: CH2M Hill Dismantles the Hanford Nuclear Site 2013-08-01T19:26:01Z Male that happen to lack the gene for making that enzyme are particularly aggressive compared with those who have the gene and hence have normal amounts of nitric oxide. Touching a Nerve: Exploring the Implications of the Self as Brain, Part 2 [Excerpt] 2013-07-27T13:45:00.477Z Many important chemical products are prepared via industrial processes that use heterogeneous catalysts, including ammonia, nitric acid, sulfuric acid, and methanol. Chemistry 2019-02-14T00:00:00Z By itself?It took lots of countries much coordinated effort to curb sulpher and nitric oxides. Sea levels rising - but how quickly? 2013-05-14T17:01:14Z Production of the pressure-reducing compound, nitric oxide, is separate from the body's manufacture of vitamin D, which rises after exposure to sunshine. Benefits of sun 'may outweigh risks' 2013-05-07T23:24:25Z Production of the pressure reducing compound, called nitric oxide, is separate from the body's manufacture of vitamin D, which rises after exposure to sunshine. Benefits of sun 'may outweigh risks' 2013-05-07T23:24:25Z There is some evidence for an interaction between an important neurotransmitter in the reward system, dopamine, and nitric oxide. Touching a Nerve: Exploring the Implications of the Self as Brain, Part 2 [Excerpt] 2013-07-27T13:45:00.477Z The second reaction limits the rate at which nitric acid can be prepared from ammonia. Chemistry 2019-02-14T00:00:00Z It has also noted that Sherpas have high levels of nitric oxide in their blood, and is experimenting with raising levels of nitric oxide in the blood of patients. Five daredevils who helped science 2012-10-15T12:51:35Z The theory is that cocoa contains flavanols which produce a chemical in the body called nitric oxide. Chocolate 'lowers blood pressure' 2012-08-15T10:04:32Z Jackson said that's not surprising since blood vessels may become less elastic as people age, and would be less likely to react to the nitric oxide. Flavanol-rich cocoa may reduce blood pressure a bit 2012-08-14T23:03:49Z A balance of the two is associated with control over aggression, but exactly how nitric oxide interacts with elements such as testosterone or serotonin is not understood. Touching a Nerve: Exploring the Implications of the Self as Brain, Part 2 [Excerpt] 2013-07-27T13:45:00.477Z If all these strong acids are completely ionized in water, why does the column indicate they vary in strength, with nitric acid being the weakest and perchloric acid the strongest? Chemistry 2019-02-14T00:00:00Z They contain nitrates, which the body converts into nitric oxide, a powerful molecule that dilates the blood vessels, allowing more oxygen and nutrients to reach your hard-working muscles. The New Health Foods: What to Eat Now 2012-07-24T19:18:00Z Some of these recombine into nitric oxide, and this in turn reacts with other atmospheric chemicals, occasionally producing a molecule made up of three oxygen atoms—ozone, or O3. Storm Scents: It's True, You Can Smell Oncoming Summer Rain 2012-07-18T22:15:00.237Z It dissolves readily in strong nitric acid, and the helium contained is thus liberated. Encyclopaedia Britannica, 11th Edition, Volume 13, Slice 2 "Hearing" to "Helmond" 2012-04-25T02:00:53.567Z Further off, there are plans to regulate the sale of nitric and hydrochloric acids. Hope in Pakistan for Curbing Acid Attacks 2012-04-09T19:39:40Z Nitric acid oxidizes many compounds; for example, concentrated nitric acid readily oxidizes hydrochloric acid to chlorine and chlorine dioxide. Chemistry 2019-02-14T00:00:00Z A substance produced by acting upon uric with warm and very dilute nitric acid. Webster's Unabridged Dictionary 2012-03-24T02:00:23.513Z Pertaining to an acid produced by treating oleic with nitric acid. Webster's Unabridged Dictionary (2nd 100 Pages) 2012-03-24T02:00:19.387Z The surface of a suspected iron meteorite is polished to a high luster and nitric acid is poured upon it. Astronomy: The Science of the Heavenly Bodies 2012-03-17T02:01:02.630Z Under heat and nitric acid coagulation of the liquid occurs, and on chemical examination it is found to contain urea. A System of Practical Medicine by American Authors, Vol. I Volume 1: Pathology and General Diseases 2012-03-17T02:00:54.097Z The reaction of iodine with concentrated nitric acid produces stable white iodic acid, HIO3: Chemistry 2019-02-14T00:00:00Z Pertaining to, or derived from, fatty or oily substances; - applied to certain acids obtained from fats by the action of nitric acid. Webster's Unabridged Dictionary 2012-03-24T02:00:23.513Z Pertaining to azote, or nitrogen; formed or consisting of azote; nitric; as, azotic gas; azotic acid. Webster's Unabridged Dictionary (2nd 100 Pages) 2012-03-24T02:00:19.387Z For instance, amongst many others, he found in the publications of Beddoes, Scott, Blair, and various writers, that nitric acid, which was known to produce ptyalism, relieved salivation and ulceration in the mouth. Curiosities of Medical Experience 2012-03-09T03:00:20.410Z In external, inoculated cases the wounded tissues should be early destroyed by potent caustics—fuming nitric acid, corrosive sublimate, iodized phenol, chlorine, sulphate of copper, carbolic acid, or the hot iron. A System of Practical Medicine by American Authors, Vol. I Volume 1: Pathology and General Diseases 2012-03-17T02:00:54.097Z All waste mercury, drainings, brushings from old plates, etc., should be thus treated with nitric acid, and finally kept covered with water. Electric Bells and All About Them A Practical Book for Practical Men 2012-03-06T03:00:25.273Z Pertaining to, or obtained from, anil; indigotic; Ð applied to an acid formed by the action of nitric acid on indigo. Webster's Unabridged Dictionary 2012-03-24T02:00:23.513Z They originated chemistry—discovered sulphuric and nitric acid and alcohol. The Works of Robert G. Ingersoll, Vol. 4 (of 12) Dresden Edition?Lectures 2012-02-11T03:03:46.253Z Potash fusion converts it into acetic acid; nitric acid oxidizes it to acetic and oxalic acids; chromic acid mixture to acetaldehyde and acetic acid, and potassium permanganate to αβ-dioxybutyric acid. Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 7 "Crocoite" to "Cuba" 2012-01-22T03:00:24.397Z Nitric oxide activates the cells that remodel bone, and nitroglycerin is a source of nitric oxide. People's Pharmacy: Statins and memory loss 2012-01-11T22:13:03Z When no such preparation is applied, the surface to be gilded is simply bitten and cleaned with nitric acid. Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 1 "Gichtel, Johann" to "Glory" 2012-01-11T03:00:20.463Z Then evaporate down nearly to dryness, and treat with a little strong nitric and a few drops of sulphuric acid. Scientific American, Vol. XXXVII.?No. 2. [New Series.], July 14, 1877 A Weekly Journal Of Practical Information, Art, Science, Mechanics, Chemistry, And Manufactures 2012-01-05T03:00:29.743Z Potassium, on the other hand, activates nitric oxide and thus reduces pressure in the arteries, lowering the risk of hypertension. Personal Health: High Sodium-to-Potassium Ratio in Diet Is a Major Heart Risk 2011-12-26T17:39:15Z Saint Edme.—The nickel of commerce immediately becomes passive if immersed in ordinary nitric acid. Scientific American Supplement, No. 648, June 2, 1888. 2011-12-26T03:00:15.410Z No acid, by itself, can affect gold; but a mixture of one part nitric, and four parts muriatic acid, is called Aqua Regia, because in this mixture gold does dissolve. Harper's New Monthly Magazine Vol. IV, No. 19, Dec 1851 2011-12-25T03:00:11.297Z Oxidation of the hydrogen by potassium bichromate and by nitric acid. b. Hawkins Electrical Guide, Number One Questions, Answers, & Illustrations, A Progressive Course of Study for Engineers, Electricians, Students and Those Desiring to acquire a Working Knowledge of Electricity and its Applications 2011-12-24T03:07:54.823Z Gun-cotton itself is dipped in a mixture of three parts of sulphuric to one of nitric acid. The Romance of Industry and Invention 2011-12-19T03:00:43.870Z GUNCOTTON, an explosive substance produced by the action of strong nitric acid on cellulose at the ordinary temperature; chemically it is a nitrate of cellulose, or a mixture of nitrates, according to some authorities. Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 6 "Groups, Theory of" to "Gwyniad" 2011-12-16T03:00:12.320Z Iron, while being briskly attacked by common nitric acid, is rendered passive by contact with nickel. Scientific American Supplement, No. 648, June 2, 1888. 2011-12-26T03:00:15.410Z A common test for gold, in commerce, is to put nitric acid over it, which has no action if the gold be true. Harper's New Monthly Magazine Vol. IV, No. 19, Dec 1851 2011-12-25T03:00:11.297Z This is a two fluid cell and has a bar of carbon immersed in strong nitric acid contained in a porous cup. Hawkins Electrical Guide, Number One Questions, Answers, & Illustrations, A Progressive Course of Study for Engineers, Electricians, Students and Those Desiring to acquire a Working Knowledge of Electricity and its Applications 2011-12-24T03:07:54.823Z He admitted air into the glass vessel; nitric acid began to be produced. Heroes of Science Chemists 2011-12-09T03:00:21.047Z Guncotton is made by immersing cleaned and dried cotton waste in a mixture of strong nitric and sulphuric acids. Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 6 "Groups, Theory of" to "Gwyniad" 2011-12-16T03:00:12.320Z To this the nitric acid adds oxygen and nitrogen, the sulphuric acid simply standing by, as it were, and removing the surplus water which arises during the process. Marvels of Scientific Invention An Interesting Account in Non-technical Language of the Invention of Guns, Torpedoes, Submarine Mines, Up-to-date Smelting, Freezing, Colour Photography, and many other recent Discoveries of Science 2011-11-19T03:00:24.517Z The making of the mineral acids—certainly nitric and aqua regia, and perhaps hydrochloric and sulphuric—are here first described. De Re Metallica, Translated from the First Latin Edition of 1556 2011-11-16T03:00:21.977Z If the nitric acid first be saturated with nitrate of ammonia, the acid will last longer and the fumes be prevented. Hawkins Electrical Guide, Number One Questions, Answers, & Illustrations, A Progressive Course of Study for Engineers, Electricians, Students and Those Desiring to acquire a Working Knowledge of Electricity and its Applications 2011-12-24T03:07:54.823Z Thus he proved that whenever air was present in contact with the water being electrolysed, nitric acid made its appearance, and when the air was wholly removed the acid ceased to be produced. Heroes of Science Chemists 2011-12-09T03:00:21.047Z The gaseous mixture obtained by burning guncotton in a vacuum vessel contains steam, carbon monoxide, carbon dioxide, nitrogen, nitric oxide, and methane. Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 6 "Groups, Theory of" to "Gwyniad" 2011-12-16T03:00:12.320Z Finally the bottom of the loop is immersed in nitric acid, which eats away the silver at that point and leaves the bare platinum. Marvels of Scientific Invention An Interesting Account in Non-technical Language of the Invention of Guns, Torpedoes, Submarine Mines, Up-to-date Smelting, Freezing, Colour Photography, and many other recent Discoveries of Science 2011-11-19T03:00:24.517Z Therefore one is driven to the conclusion that the feces must have been the residues left in the retorts when nitric acid was prepared. De Re Metallica, Translated from the First Latin Edition of 1556 2011-11-16T03:00:21.977Z Water is produced by this action, which in time dilutes the acid, and orange colored poisonous fumes of nitric oxide rise from the battery. Hawkins Electrical Guide, Number One Questions, Answers, & Illustrations, A Progressive Course of Study for Engineers, Electricians, Students and Those Desiring to acquire a Working Knowledge of Electricity and its Applications 2011-12-24T03:07:54.823Z It is said that lime has a stronger affinity for nitric acid than magnesia has. Heroes of Science Chemists 2011-12-09T03:00:21.047Z Under very great pressures carbon monoxide, steam and nitrogen are the main products, but nitric oxide never quite disappears. Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 6 "Groups, Theory of" to "Gwyniad" 2011-12-16T03:00:12.320Z Nitroglycerin, which treats impaired cardiac function through vasodilation as it is converted to nitric oxide, is used worldwide for patients with various ischemic and congestive cardiac diseases, including angina pectoris. [Research Articles] ALDH2 Activator Inhibits Increased Myocardial Infarction Injury by Nitroglycerin Tolerance 2011-11-02T18:55:19.893Z It will appear later, from the method of manufacture, that hydrochloric, nitric, and sulphuric acids and aqua regia were more or less all produced and all included in this term. De Re Metallica, Translated from the First Latin Edition of 1556 2011-11-16T03:00:21.977Z A solution of bichromate of potassium is frequently substituted for the nitric acid in the porous cup, thereby avoiding disagreeable fumes. Hawkins Electrical Guide, Number One Questions, Answers, & Illustrations, A Progressive Course of Study for Engineers, Electricians, Students and Those Desiring to acquire a Working Knowledge of Electricity and its Applications 2011-12-24T03:07:54.823Z But if a neutral solution of magnesia in sulphuric acid is added to a neutral solution of lime in nitric acid, sulphate of lime and nitrate of magnesia are produced. Heroes of Science Chemists 2011-12-09T03:00:21.047Z Strong sulphuric acid in contact with it liberates first nitric acid and later oxides of nitrogen, leaving a charred residue or a brown solution according to the quantity of acid. Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 6 "Groups, Theory of" to "Gwyniad" 2011-12-16T03:00:12.320Z It is now rarely practised, although in some refineries both the nitric acid and the sulphuric acid processes are combined, the alloy being first treated with nitric acid. Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 2 "Gloss" to "Gordon, Charles George" 2011-10-31T02:00:28.703Z If they were distilled, the first and second mixtures would not produce nitric acid, although possibly some sulphuric would result. De Re Metallica, Translated from the First Latin Edition of 1556 2011-11-16T03:00:21.977Z Murad chose the bench, and he subsequently discovered that nitric oxide acts as a signalling molecule in the cardiovascular system. Bench or Bedside? A Conversation with Ferid Murad 2011-10-05T22:15:00.253Z Encouraged by the results of these experiments, Davy proceeded to prepare and breathe nitric oxide—whereby he was rendered very ill—and then carburetted hydrogen—which nearly killed him. Heroes of Science Chemists 2011-12-09T03:00:21.047Z Strong sulphuric acid chars it when warm, and nitric acid effects complete oxidation. Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 6 "Groups, Theory of" to "Gwyniad" 2011-12-16T03:00:12.320Z The operation may be conducted in vessels of glass or platinum, and each pound of granulated metal is treated with a pound and a quarter of nitric acid of specific gravity 1.32. Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 2 "Gloss" to "Gordon, Charles George" 2011-10-31T02:00:28.703Z The test to be applied to the regulus by way of cupellation and parting of a sample with nitric acid, requires no explanation. De Re Metallica, Translated from the First Latin Edition of 1556 2011-11-16T03:00:21.977Z Two oxides of germanium are known, the dioxide, GeO2, being obtained by roasting the sulphide and treatment with nitric acid. Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 7 "Geoponici" to "Germany" 2011-09-26T02:00:25.313Z But the production of nitric acid around the positive pole was yet to be accounted for. Heroes of Science Chemists 2011-12-09T03:00:21.047Z Linseed does not give the latter reaction; by treatment with boiling nitric acid it yields mucic and oxalic acids. Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 6 "Groups, Theory of" to "Gwyniad" 2011-12-16T03:00:12.320Z The reagents in common use are acetic acid; magnesium chloride, used for a glue employed by printers; hydrochloric acid and zinc sulphate; nitric acid and lead sulphate; and phosphoric acid and ammonium carbonate. Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 2 "Gloss" to "Gordon, Charles George" 2011-10-31T02:00:28.703Z While nitric acid will only part gold and silver when the latter is in great excess, yet when applied as fumes under cementation conditions it appears to react upon a minor ratio of silver. De Re Metallica, Translated from the First Latin Edition of 1556 2011-11-16T03:00:21.977Z Again, silver may be dissolved in nitric acid, and the weight of the nitrate of silver obtained shown to sustain a definite relation to the weight of the metal. Scientific Culture, and Other Essays Second Edition; with Additions 2011-09-17T02:00:31.747Z Now, of the constituents of nitric acid—nitrogen, hydrogen and oxygen—all except the first named are present in pure water; nitrogen is present in large quantity in the ordinary atmosphere. Heroes of Science Chemists 2011-12-09T03:00:21.047Z They yield mucic and oxalic acids when treated with nitric acid. Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 6 "Groups, Theory of" to "Gwyniad" 2011-12-16T03:00:12.320Z It is also obtained when sebacic, stearic and oleic acids are oxidized with nitric acid. Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 2 "Gloss" to "Gordon, Charles George" 2011-10-31T02:00:28.703Z Distilling vitriol, saltpetre and alum would produce nitric acid. De Re Metallica, Translated from the First Latin Edition of 1556 2011-11-16T03:00:21.977Z It is said to contain only ¼ of the citric acid, ½ of the nitric acid and 6 times as much acetic acid as tobacco cured in air. Tobacco Leaves Being a Book of Facts for Smokers 2011-09-12T02:00:31.107Z If equal weights of lime and magnesia be thrown into diluted nitric acid, after a time it is found that some of the lime, but very little of the magnesia, is dissolved. Heroes of Science Chemists 2011-12-09T03:00:21.047Z They may be recognized by being either yellow of greenish-brown in colour, and by turning bluish-green when treated with nitric acid, or when heated with corrosive sublimate, and green with solution of chloride of lime. Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 6 "Groups, Theory of" to "Gwyniad" 2011-12-16T03:00:12.320Z The silver is quite free from gold, and the gold after boiling with nitric acid has a fineness of over 999. Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 2 "Gloss" to "Gordon, Charles George" 2011-10-31T02:00:28.703Z The principal object of these processes was to reduce silver bullion running low in gold to a ratio acceptable for nitric acid treatment. De Re Metallica, Translated from the First Latin Edition of 1556 2011-11-16T03:00:21.977Z The benefits probably stem from chocolate’s high content in polyphenols, antioxidant compounds that boost the body’s production of nitric oxide, which in turn helps reduce blood pressure, the researchers wrote. A Little Chocolate Goes a Long Way in Keeping Healthy Heart 2011-08-29T15:45:13Z If an aqueous solution of lime be added to a solution of magnesia in nitric acid, the magnesia is precipitated in the form of an insoluble powder, while the lime remains dissolved in the acid. Heroes of Science Chemists 2011-12-09T03:00:21.047Z The alcoholic tincture becomes green with sodium hypochlorite, and with nitric acid turns in succession green, blue and brown. Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 6 "Groups, Theory of" to "Gwyniad" 2011-12-16T03:00:12.320Z Gallium oxide Ga2O3 is obtained when the nitrate is heated, or by solution of the metal in nitric acid and ignition of the nitrate. Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 4 "G" to "Gaskell, Elizabeth" 2011-08-24T02:00:20.690Z No doubt mainly nitric acid, the preparation of which is explained at length in Book X, p. De Re Metallica, Translated from the First Latin Edition of 1556 2011-11-16T03:00:21.977Z When only the shells are wanted for mounting, the cell contents are removed by means of hydrochloric and nitric acid. Sea-Weeds, Shells and Fossils 2011-08-20T02:00:11.557Z Brugnatelli, who found in 1798 that if silver be dissolved in nitric acid and the solution added to spirits of wine, a white, highly explosive powder was obtained. Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 3 "Frost" to "Fyzabad" 2011-08-15T02:00:28.473Z The making of sulphuric acid, nitric acid and their compounds would have been risky business in any age, with the primitive apparatus that the two investigators had. In the Days of the Guild 2011-08-03T02:00:12.687Z Finding that nitric acid improved the quality of the rubber by removing its adhesiveness, he introduced this process, which met with great favour, was applied generally to the manufacture of overshoes, and helped his condition. Inventions in the Century 2011-07-20T02:00:14.643Z We first find mention of parting with sulphur in the 12th century, with nitric acid prior to the 14th century, by antimony sulphide prior to the 15th century, and by cementation with nitre by Agricola. De Re Metallica, Translated from the First Latin Edition of 1556 2011-11-16T03:00:21.977Z Explosive Compounds.—Nearly all the explosive compounds in actual use either for blasting purposes or as propellants are nitrogen compounds, and are obtained more or less directly from nitric acid. Encyclopaedia Britannica, 11th Edition, Volume 10, Slice 1 "Evangelical Church Conference" to "Fairbairn, Sir William" 2011-07-16T02:00:16.387Z A mixture of nitric and sulphuric acids, one part of the former to two of the latter, is made, and allowed to stand for twelve hours before using. Magic In which are given clear and concise explanations of all the well-known illusions as well as many new ones. 2011-07-10T02:00:22.253Z But perhaps it stands as well as any white lead would, prepared from litharge, by solution in nitric or acetic acids, and precipitation by carbonated alkali. Scenes and Andventures in the Semi-Alpine Region of the Ozark Mountains of Missouri and Arkansas 2011-07-10T02:00:18.883Z Dr. Pijnenburg said that the breath analyzers used to detect nitric oxide are expensive, however — and that the results, while useful, are not applicable to all asthma patients. Novelties: Beyond the Breathalyzer: Seeking Telltale Signs of Disease 2011-07-02T16:55:02Z The third might yield nitric, and the fourth aqua regia. De Re Metallica, Translated from the First Latin Edition of 1556 2011-11-16T03:00:21.977Z All the smokeless powders of the present day produce some oxide of nitrogen, traces of which hang about the gun after firing and change rapidly into nitrous and nitric acids. Encyclopaedia Britannica, 11th Edition, Volume 10, Slice 1 "Evangelical Church Conference" to "Fairbairn, Sir William" 2011-07-16T02:00:16.387Z In their experiment, Helden and colleagues rubbed an ointment containing nitric oxide around the spot where mice were injected with lethal doses of snake venom and found that it slowed lymph flow significantly. Cream may buy time for snake bite victims 2011-06-26T17:04:59Z It is all, however, a calcareous carbonate, will burn into quicklime, and, as I find on experiment, is completely soluble in nitric acid. Scenes and Andventures in the Semi-Alpine Region of the Ozark Mountains of Missouri and Arkansas 2011-07-10T02:00:18.883Z To prepare gemmules for examination.—Place the gemmules dry in a watch-glass with a few drops of strong nitric acid. Freshwater Sponges, Hydroids & Polyzoa 2011-06-25T02:00:17.833Z This use of a small amount of silver to purify the nitric acid was made by metallurgists down to fairly recent times. De Re Metallica, Translated from the First Latin Edition of 1556 2011-11-16T03:00:21.977Z Sulphuric ether, nitric acid, oil of sassafras, and other limpid fluids, have been employed for thermometers. A Treatise on Meteorological Instruments Explanatory of Their Scientific Principles, Method of Construction, and Practical Utility 2011-06-19T02:00:15.717Z Setting up in a shack behind his home, he began experimenting with various combinations of solvents and a doughy mixture made of nitric acid and cotton. A Brief History of Plastic's Conquest of the World 2011-05-29T14:15:02.467Z These grains are, however, wholly calcareous, and readily soluble in nitric and muriatic acids. Scenes and Andventures in the Semi-Alpine Region of the Ozark Mountains of Missouri and Arkansas 2011-07-10T02:00:18.883Z The rage of a chastised child is quite a different thing from the alarmed instinct of self-conservancy--the feeling of avoidance of nitric acid, or of bodily hurt. Flower, Fruit, and Thorn Pieces; or, the Wedded Life, Death, and Marriage of Firmian Stanislaus Siebenkaes, Parish Advocate in the Burgh of Kuhschnappel. 2011-05-20T02:00:42.297Z Manufacture of nitric acid and aqua regia Prior to 1400 A.D. De Re Metallica, Translated from the First Latin Edition of 1556 2011-11-16T03:00:21.977Z The free acid, when heated with concentrated sulphuric acid, is decomposed into water and pure carbon monoxide; when heated with nitric acid, it is oxidized first to oxalic acid and finally to carbon dioxide. Encyclopaedia Britannica, 11th Edition, Volume 10, Slice 6 "Foraminifera" to "Fox, Edward" 2011-04-22T02:00:08.637Z The phenol is sulphonated with strong sulphuric acid, and the phenol-sulphonic acid resulting is nitrated with strong nitric acid at about 100� C. Picric acid separates, and is washed free from mineral acid and dried. The New Gresham Encyclopedia Volume 4, Part 3: Estremoz to Felspar 2011-04-14T02:00:59.373Z It possesses no definable tint of color, is not acted upon by either nitric or muriatic acids, and appears to be an aggregation of minute crystals of quartz. Scenes and Andventures in the Semi-Alpine Region of the Ozark Mountains of Missouri and Arkansas 2011-07-10T02:00:18.883Z Acid-dipping baths are also employed, muriatic acid or sulphuric acid for iron or steel articles, dipping-acid, which is a mixture of sulphuric acid and nitric acid, for brass. The New Gresham Encyclopedia Volume 4, Part 2: Ebert to Estremadura 2011-04-14T02:00:56.200Z Gold parted from silver by nitric acid Prior to 1400 A.D. De Re Metallica, Translated from the First Latin Edition of 1556 2011-11-16T03:00:21.977Z The final intimation was that the next time I might expect nitric acid or worse at my head, instead of at a corner of the room. I Walked in Arden 2011-04-10T02:00:06.137Z Mixed nitric and sulphuric acid is put in at the end where the T.N.T. is obtained, and emerges, where mononitrotoluene is put in, as waste acid. The New Gresham Encyclopedia Volume 4, Part 3: Estremoz to Felspar 2011-04-14T02:00:59.373Z It yields no effervescence with nitric, and is wholly destitute of carbonic, acid. Scenes and Andventures in the Semi-Alpine Region of the Ozark Mountains of Missouri and Arkansas 2011-07-10T02:00:18.883Z The flames of phosphorus in oxygen and of carbon disulphide in nitric oxide contain only gaseous products, and Frankland showed that the flames of hydrogen and carbon monoxide became highly luminous under pressure. Encyclopaedia Britannica, 11th Edition, Volume 10, Slice 4 "Finland" to "Fleury, Andre" 2011-03-20T02:00:30.697Z It is not clear from Agricola's account whether the test with nitric acid was applied to the regulus or to the "lumps". De Re Metallica, Translated from the First Latin Edition of 1556 2011-11-16T03:00:21.977Z Nitration: the weight of the product obtained after digestion with a mixture of equal volumes of sulphuric and nitric acids for one hour in the cold. Encyclopaedia Britannica, 11th Edition, Volume 10, Slice 3 "Fenton, Edward" to "Finistere" 2011-03-14T03:01:00.580Z Mercury fulminate is more often employed in the detonator, and is prepared from mercury, alcohol, and nitric acid. The New Gresham Encyclopedia Volume 4, Part 3: Estremoz to Felspar 2011-04-14T02:00:59.373Z There are evidences of nitric salts in small crevices. Scenes and Andventures in the Semi-Alpine Region of the Ozark Mountains of Missouri and Arkansas 2011-07-10T02:00:18.883Z On oxidation with potassium permanganate it gives homovanillin, vanillin, &c.; with chromic acid in acetic acid solution it is converted into carbon dioxide and acetic acid, whilst nitric acid oxidizes it to oxalic acid. Encyclopaedia Britannica, 11th Edition, Volume 9, Slice 8 "Ethiopia" to "Evangelical Association" 2011-03-05T03:00:24.537Z The first mention of nitric acid is in connection with this purpose, and, therefore, the early history of this reagent becomes the history of the process. De Re Metallica, Translated from the First Latin Edition of 1556 2011-11-16T03:00:21.977Z The two enzymes work in tandem to regulate the production of nitric oxide, a gas that relaxes blood vessels. Mouse Study Reveals Mechanism behind Diabetes Blood Vessel Damage 2011-02-18T15:15:04.180Z One part of dimethylaniline is dissolved in 10 parts of strong sulphuric acid, and the solution allowed to flow into strong nitric acid. The New Gresham Encyclopedia Volume 4, Part 3: Estremoz to Felspar 2011-04-14T02:00:59.373Z B. Dissolved a quantity of the powdered sublimate in nitric acid; it effected a ready solution, with violent effervescence. Scenes and Andventures in the Semi-Alpine Region of the Ozark Mountains of Missouri and Arkansas 2011-07-10T02:00:18.883Z Then with nitric acid he ate out the silver. The Westerners 2011-02-14T03:00:39.347Z He was familiar with amalgamation, cupellation, the separation of gold and silver by cementation with salt and by nitric acid. De Re Metallica, Translated from the First Latin Edition of 1556 2011-11-16T03:00:21.977Z For copper, nitric acid is used; for silver, sulphuric, and for gold hydrochloric acid. Encyclopaedia Britannica, 11th Edition, Volume 9, Slice 3 "Electrostatics" to "Engis" 2011-02-06T03:00:53.093Z The lines are then bitten by putting the plate into dilute nitric or hydrochloric acid, the back and edges being protected by stopping-out varnish. The New Gresham Encyclopedia Volume 4, Part 3: Estremoz to Felspar 2011-04-14T02:00:59.373Z One per cent of nitric acid was added to the water, and after ten days the hairsprings showed on examination that they had rusted in proportion to the amount of oil that had been used. Friction, Lubrication and the Lubricants in Horology 2011-01-20T03:00:07.073Z It is looking for nitric oxide, which is produced when the lungs are inflamed. House call 2010-12-27T01:30:55Z Specifically, they looked to see if humming led to greater levels of exhaled nitric oxide, a gas produced in the sinuses. Really?: The Claim: Humming Can Ease Sinus Problems 2010-12-20T17:29:51Z "MSC produce nitric oxide that kill bacteria, but the amount is not sufficient to kill the TB bacteria, it just keeps them in check," Das said. Some stem cells protect TB bacteria: study 2010-12-06T19:20:00Z The damage may occur because nitric oxide affects photoreceptor function and metabolism, the doctors said. Vital Signs: Vision: A Quick High for Sex May Damage Vision 2010-10-18T21:20:00Z Workouts increase the production of nitric oxide, a gas that relaxes and dilates blood vessels. How to Keep your arteries young 2010-10-15T18:25:00Z One leading theory is that stored blood gradually loses its ability to get oxygen to tissues, largely through loss of a blood vessel dilator called nitric oxide. Tests aim to settle if fresher blood works better 2010-07-26T22:31:00Z Another study a year later in The European Respiratory Journal found a similar effect: humming resulted in a large increase in nasal nitric oxide, “caused by a rapid gas exchange in the paranasal sinuses.” Really?: The Claim: Humming Can Ease Sinus Problems 2010-12-20T17:29:51Z For each child, the researchers measured the level of nitric oxide in exhaled breath, which is thought to reflect the degree of inflammation in the airways. Toss out the inhaler if you outgrow asthma? Not so fast 2010-07-08T21:19:00Z The new drug is a nitric oxide-releasing version designed to get round these problems. PREVIEW-NicOx faces crunch time at naproxcinod U.S. panel 2010-05-07T08:42:00Z But nitric oxide is so reactive, and thus short-lived, that delivering it is difficult. Observatory: Seeking Safe Ways to Deliver Nitric Oxide in Medical Care 2010-03-15T20:17:00Z High levels of nitric oxide, she proposed, might set off degenerative diseases like A.L.S., and cells treated with low levels of the gas might build resistance. Debating a Murder Suspect?s Worth to Science 2010-02-22T21:54:00Z A saturated solution of potassium chlorate in strong nitric acid is added, and the mass evaporated to dryness. Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 7 "Arundel, Thomas" to "Athens" Some little time since a woman in Bristol was savage enough to drop oil of vitriol, nitric acid, and other dangerous fluids into the boxes. The Bristol Royal Mail Post, Telegraph, and Telephone A feather dipped in muriatic or nitric acid, and applied to the parts after scraping and cleansing, is a good remedy. Domestic Animals History and description of the horse, mule, cattle, sheep, swine, poultry and farm dogs; with directions for their management, breeding, crossing, rearing, feeding, and preparation for a profitable market; also their diseases and remedies. Together with full directions for the management of the dairy. The prismatic variety of the oxide can be obtained by crystallization from a saturated boiling solution in potassium hydroxide, or by the crystallization of a solution of silver arsenite in nitric acid. Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 6 "Armour Plates" to "Arundel, Earls of" Since the time of Henry Cavendish no one seemed even to have asked the question whether the residue was, in truth, all capable of conversion into nitric acid. Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 5 "Arculf" to "Armour, Philip" This method is modified in practice by the character of the ores, carbonates and silicates free from sulphides being decomposed by hydrochloric acid, with the addition of a little nitric acid. Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 7 "Arundel, Thomas" to "Athens" Antispasmod�ic, a medicine for the cure of spasms and convulsions; such belong largely to the class of ethers, as sulphuric ether, chloric ether, nitric ether, &c. The New Gresham Encyclopedia. Vol. 1 Part 2 Amiel to Atrauli It has been suggested that the organic nitrogen becomes oxidized into nitrous, then into nitric acid, which lowers the carbonate values. Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 3 "Apollodorus" to "Aral" It is easily oxidized by heating with concentrated nitric acid to arsenic acid, and with concentrated sulphuric acid to arsenic trioxide; dilute nitric acid only oxidizes it to arsenious acid. Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 6 "Armour Plates" to "Arundel, Earls of" It is insoluble in sulphuric and nitric acids, but is readily soluble in hydrochloric and tartaric acids and in solutions of the caustic alkalies. Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 2 "Anjar" to "Apollo" In the electrolytic method from 0.5 to 5 grammes of ore are treated in a flask or beaker, with a mixture of 10 cc. of nitric and 10 cc. of sulphuric acid, until thoroughly decomposed. Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 7 "Arundel, Thomas" to "Athens" The print or page to be transferred is dipped in diluted nitric acid, and, while moist with dilute acid, it is laid face downwards on a polished zinc plate and passed through a roller-press. The New Gresham Encyclopedia. Vol. 1 Part 2 Amiel to Atrauli It may be mentioned here that a finished tube usually contains a little moisture, and a recognisable quantity of nitric peroxide. The Methods of Glass Blowing and of Working Silica in the Oxy-Gas Flame For the use of chemical and physical students It is then allowed to stand twenty-four hours, filtered, washed with dilute ammonia, dried, ignited to constant weight and weighed, the filter paper being incinerated separately after moistening with nitric acid. Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 6 "Armour Plates" to "Arundel, Earls of" That appears paradoxical to you; but the nitric acid will soon tell you why this is so. A Treatise on Etching The potassium cyanide solution is standardized by dissolving 0.5 gramme of pure copper in 5 cc. of nitric acid, diluting, adding 10 cc. of ammonia, and titrating exactly as described above. Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 7 "Arundel, Thomas" to "Athens" Besides these gases, the atmosphere also contains aqueous vapour in variable quantity, ozone, carbonic acid gas, traces of ammonia, nitric acid, and, in towns, sulphuretted hydrogen and sulphurous acid gas. The New Gresham Encyclopedia. Vol. 1 Part 2 Amiel to Atrauli Heated with sulphuric acid and with nitric acid it is oxidized to boric acid, whilst on fusion with alkaline carbonates and hydroxides it gives a borate of the alkali metal. Encyclopaedia Britannica, 11th Edition, Volume 4, Slice 3 "Borgia, Lucrezia" to "Bradford, John" Jardin seeks to achieve the same object by steeping the linen in dilute nitric acid. Encyclopaedia Britannica, 11th Edition, Volume 4, Slice 1 "Bisharin" to "Bohea" Any nitric acid sold by druggists will do, but the best is the so-called chemically pure nitric acid made by Messrs. Powers & Weightman, of Philadelphia. A Treatise on Etching One gramme of the ore is treated in a flask with a mixture of nitric and sulphuric acids and evaporated until all the nitric acid is expelled. Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 7 "Arundel, Thomas" to "Athens" The gold alloy is rolled up in the fingers into a cornette and treated with nitric acid. The New Gresham Encyclopedia. Vol. 1 Part 2 Amiel to Atrauli He took a drop of the liquid he had isolated and added a drop of nitric acid. The Social Gangster It readily dissolves in nitric acid, aqua regia and hot sulphuric acid, but tardily in hot hydrochloric acid. Encyclopaedia Britannica, 11th Edition, Volume 4, Slice 1 "Bisharin" to "Bohea" It is caused by the action of nitric acid on tyrosine. The Chemistry of Plant Life The copper is then dissolved in 5 cc. of nitric acid; if silver is present a drop or two of hydrochloric acid is added, the solution diluted to about 50 cc., and filtered. Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 7 "Arundel, Thomas" to "Athens" Aniline is present in small quantity in coal-tar, and is prepared commercially from benzene by transforming it by means of nitric acid into nitro-benzene and reducing this with scrap-iron and hydrochloric acid. The New Gresham Encyclopedia. Vol. 1 Part 2 Amiel to Atrauli It dissolves with effervescence in dilute nitric acid. Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 7 "Cerargyrite" to "Charing Cross" Bismuth trichloride forms double compounds with hydrochloric acid, the chlorides of the alkaline metals, ammonia, nitric oxide and nitrosyl chloride. Encyclopaedia Britannica, 11th Edition, Volume 4, Slice 1 "Bisharin" to "Bohea" Concentrated nitric acid, or better, a mixture of concentrated nitric and sulfuric acids, acts upon cellulose, converting it into various nitro-derivatives, several of which have great industrial value. The Chemistry of Plant Life Jute reacts with nitric acid in presence of sulphuric acid to form nitrates; and with acetic anhydride to form low acetates. Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 5 "Cat" to "Celt" "Pancake flour" often contains little if any buckwheat; wheat flour is bleached with nitric oxide to improve its appearance. The Holy Earth Cold concentrated nitric and sulphuric acids are without action on the metal, but it reacts rapidly with dilute nitric and hydrochloric acids. Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 7 "Cerargyrite" to "Charing Cross" The blackish brown sulphide precipitated from bismuth salts by sulphuretted hydrogen is insoluble in ammonium sulphide, but is readily dissolved by nitric acid. Encyclopaedia Britannica, 11th Edition, Volume 4, Slice 1 "Bisharin" to "Bohea" This is a phenol derivative, and was first obtained as long ago as 1771 by Woulfe, by acting upon indigo with nitric acid. Coal and What We Get from It Thus sodium will not react with dry chlorine or dry oxygen; carbon, sulphur and phosphorus will not burn in perfectly dry oxygen, neither does nitric oxide give red fumes of the peroxide. Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 5 "Cat" to "Celt" In this case the liberated hydrogen immediately decomposes the nitric acid, which readily parts with its oxygen; water is the product, as in the other case, and the nitric acid loses strength. The Telephone An Account of the Phenomena of Electricity, Magnetism, and Sound, as Involved in Its Action No man can breathe the strangling fumes of nitric acid and nitrated glycerin without discomfort, and every man here must breathe them. Careers of Danger and Daring Taken internally the subnitrate, coming into contact with water, tends to decompose, gradually liberating nitric acid, one of the most powerful antiseptics. Encyclopaedia Britannica, 11th Edition, Volume 4, Slice 1 "Bisharin" to "Bohea" The alpha-compound is made in precisely the same way as aniline, viz. by acting upon naphthalene with nitric acid so as to form nitronaphthalene, and then reducing the latter with iron dust and acid. Coal and What We Get from It Nitro-phenols are readily obtained by the action of nitric acid on phenol. Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 3 "Capefigue" to "Carneades" The plates are hung in gauze bags and put in strong nitric acid. Harper's Round Table, September 3, 1895 On the other hand, the use of the organic acids may give rise in some cases to the formation of nitric acid, which in its nascent condition will afford a very powerful agent of decomposition. The Galaxy, April, 1877 Vol. XXIII.—April, 1877.—No. 4. The acids usually employed are hydrochloric, nitric or sulphuric, according as circumstances require. Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 4 "Diameter" to "Dinarchus" The production of aniline from benzene by acting upon this hydrocarbon with nitric acid, and then reducing the nitrobenzene, has already been referred to. Coal and What We Get from It A mixture of carbon bisulphide vapour and nitric oxide burns with a very intense blue-coloured flame, which is very rich in the violet or actinic rays. Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 3 "Capefigue" to "Carneades" Dissolve 100 grains of mercury by heat, in an ounce and a half of nitric acid. Endless Amusement A Collection of Nearly 400 Entertaining Experiments To these a spirituous solution of nitric acid—a drachm to the ounce—was applied, and the entire of the exposed surface dressed with it. The Dog A few days later, when about to clean the stone, he wondered what effect nitric acid would have upon it. The Scrap Book, Volume 1, No. 3 May 1906 From the arsenical waste arsenious acid can be recovered, and converted back into arsenic acid by the action of nitric acid. Coal and What We Get from It The first products of this reaction are copper nitrate and nitric oxide, but, as the concentration of the copper nitrate increases, nitrous oxide and, eventually, free nitrogen are liberated. Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 3 "Convention" to "Copyright" Washing the powder immediately is material, because it is liable to the re-action of the nitric acid; and, while any of the acid adheres to it, it is very subject to the action of light. Endless Amusement A Collection of Nearly 400 Entertaining Experiments The strong acids, even concentrated nitric acid, attack it but slowly. The Galaxy, June 1877 Vol. XXIII.—June, 1877.—No. 6. Space Fuels won't sell us any hydrazine and nitric acid to refill the tanks. Atom Drive The residue of nitric acid which replaces hydrogen in benzene is the nitro-group, and the compound is nitrobenzene. Coal and What We Get from It It decomposes when heated to 90�; with water it gives nitric oxide and cupric nitrate and nitrite. Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 3 "Convention" to "Copyright" It burns on heating in air; and is scarcely attacked by hydrochloric or nitric acids, or by aqua regia; it is soluble in warm concentrated sulphuric acid. Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 6 "Cockaigne" to "Columbus, Christopher" Very complex chemically, “biogen” is able to operate upon the circulating or reserve “nutritive” materials in a way comparable, for instance, to the action of “nitric acid in the production of English sulphuric acid.” Naturalism And Religion It decomposes steam at a red heat, and slowly dissolves in dilute hydrochloric and sulphuric acids, but more readily in nitric acid. Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 5 "Clervaux" to "Cockade" It was made from alpha-naphthylamine by the action of nitrous and nitric acids. Coal and What We Get from It Concentrated nitric acid has also very little action, but with the dilute acid a vigorous action ensues. Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 3 "Convention" to "Copyright" It is of the nature of chitine; but boiling caustic potash has rather more effect on it than on true chitine; and I think boiling nitric acid rather less effect. A Monograph on the Sub-class Cirripedia With Figures of all the Species. For this purpose a filtered solution of bleaching-powder and a very dilute solution of nitric acid may be employed. Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 3 "Chitral" to "Cincinnati" Cobalt burns in nitric oxide at 150� C. giving the monoxide. Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 5 "Clervaux" to "Cockade" The operation is complete when the blackish powder which results from this process, having been washed in several waters, is entirely soluble in nitric acid, which is easily ascertained by experimenting on a small quantity. Notes and Queries, Number 238, May 20, 1854 A Medium of Inter-communication for Literary Men, Artists, Antiquaries, Genealogists, etc Chalcopyrite is decomposed by nitric acid with separation of sulphur and formation of a green solution; ammonia added in excess to this solution changes the green colour to deep blue and precipitates red ferric hydroxide. Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 3 "Convention" to "Copyright" He is the first to describe nitric acid and aqua regia. History of the Intellectual Development of Europe, Volume I (of 2) Revised Edition Such a reagent, for instance, as nitric acid has an extremely injurious effect upon the plates. Twentieth Century Inventions A Forecast He sniffed and coughed a good bit, because I was biting a big plate, and the fumes are pretty thick even with nitric acid. Aliens Small portions Wet methods. should be successively tested with water, dilute hydrochloric acid, dilute nitric acid, strong hydrochloric acid, and a mixture of hydrochloric and nitric acids, first in the cold and then with warming. Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 1 "Châtelet" to "Chicago" It may be prepared by heating cuprous sulphide with sulphur, or triturating cuprous sulphide with cold strong nitric acid, or as a dark brown precipitate by treating a copper solution with sulphuretted hydrogen. Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 3 "Convention" to "Copyright" Djafar discovers nitric acid and aqua regia, To one of these chemists, Djafar, our attention may for a moment be drawn. History of the Intellectual Development of Europe, Volume I (of 2) Revised Edition It combines with the nitrogen of decaying substances and forms nitric acid, which is serviceable as food for plants. The Elements of Agriculture A Book for Young Farmers, with Questions Prepared for the Use of Schools When combined with oxygen, azote forms the nitrous and nitric oxyds and acids; when with hydrogen, ammoniac is produced. Elements of Chemistry, In a New Systematic Order, Containing all the Modern Discoveries The halogens may be estimated by ignition with quicklime, or by heating with nitric acid and silver nitrate in a sealed tube. Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 1 "Châtelet" to "Chicago" The resin is excreted in the urine and is continually mistaken for albumin since it is precipitated by nitric acid, but the precipitate is re-dissolved, unlike albumin, on heating. Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 3 "Convention" to "Copyright" A chemist reads with interest Djafar's antique method of obtaining nitric He solves the problem of potable gold. acid by distilling in a retort Cyprus vitriol, alum, and saltpetre. History of the Intellectual Development of Europe, Volume I (of 2) Revised Edition Nitrate of soda, or cubical nitre, which is found in South America, consists of soda and nitric acid. The Elements of Agriculture A Book for Young Farmers, with Questions Prepared for the Use of Schools It may likewise be procured by dissolving animal substances in dilute nitric acid very little heated. Elements of Chemistry, In a New Systematic Order, Containing all the Modern Discoveries Libavius obtained sulphuric acid from many substances, e.g. alum, vitriol, sulphur and nitric acid, by distillation. Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 1 "Châtelet" to "Chicago" Two pressurized containers contained hydrazine and nitric acid, which could be released in tiny streams into peanut rocket chambers by a single valve-release. The Trouble with Telstar Also nitric acid was obtained from the nitrate of potassium. History of Human Society Old mortar is a valuable manure, because it contains nitrate of potash and other compounds of nitric acid with alkalies. The Elements of Agriculture A Book for Young Farmers, with Questions Prepared for the Use of Schools But mercury may likewise be oxydated by means of nitric acid; and in this way we procure a red oxyd, even more pure than that produced by calcination. Elements of Chemistry, In a New Systematic Order, Containing all the Modern Discoveries Sulphuretted hydrogen and nitric oxide were discovered at about the same time. Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 1 "Châtelet" to "Chicago" This paper contains Cavendish's discovery of the composition of water and of nitric acid. A History of Science, Volume 5(of 5) Aspects Of Recent Science To detect albumin in the urine, the suspected and frothy liquid must be rendered sour by adding a few drops of nitric acid and then boiled in a test tube. Special Report on Diseases of Cattle If heated with strong nitric acid it gives oxalic, and not mucic acid. Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 3 "Destructors" to "Diameter" As phosphorus has a sufficient affinity for oxygen to attract it from the nitric and muriatic acids, we may form phosphoric acid, by means of these acids, in a very simple and cheap manner. Elements of Chemistry, In a New Systematic Order, Containing all the Modern Discoveries Similarly, normal solutions of hydrochloric and nitric acids can be prepared. Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 1 "Châtelet" to "Chicago" The same thing is true, in varying degrees, of alcohol, nitric acid, glycerine, and of paper, leather, linen, tortoise-shell, and sponge. A History of Science, Volume 5(of 5) Aspects Of Recent Science If there is a tendency to grow again, apply a red-hot iron or nitric acid with a glass rod. Special Report on Diseases of Cattle The first thing, in every case, is to wash the copper with diluted nitric acid, so as to remove all dirt and grease. Hittel on Gold Mines and Mining We have already seen that azote is the nitric radical. Elements of Chemistry, In a New Systematic Order, Containing all the Modern Discoveries Bergman’s symbolism was obviously cumbrous, and the system used in 1782 by Lavoisier was equally abstruse, since the forms gave no clue as to composition; for instance water, oxygen, and nitric acid were , and . Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 1 "Châtelet" to "Chicago" Put a drop of concentrated nitric or sulfuric acid on a piece of colored wool cloth, or on a piece of colored silk. Common Science For small hernias nitric acid may be used to destroy the skin and cause such swelling as to close the orifice before the skin is separated. Special Report on Diseases of Cattle The quicksilver may then be rubbed on with a rag; or, still better, it may be dissolved in nitric acid, and the liquid nitrate of quicksilver may be applied with a rag. Hittel on Gold Mines and Mining Intermediate quantities of oxygen between these two extremes of oxygenation produce different species of nitrous acid, or, in other words, nitric acid less or more impregnated with nitrous gas. Elements of Chemistry, In a New Systematic Order, Containing all the Modern Discoveries Group V.: N, trivalent and pentavalent, but divalent in nitric oxide; P, As, Sb, Bi, trivalent and pentavalent, the last being possibly divalent in BiO and BiCl2. Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 1 "Châtelet" to "Chicago" Into one test tube pour some nitric acid diluted 1 to 4. Common Science If a solid precipitate forms, then a few more drops of nitric acid should be added, and if the liquid does not clear it up it is albumin. Special Report on Diseases of Cattle The nitric acid will attack the copper, and leave the quicksilver as an amalgam on the surface of the copper. Hittel on Gold Mines and Mining For this purpose we chiefly employ the nitric acid, which has a very slight hold of oxygen, and quits it readily to a great number of bodies by the assistance of a gentle heat. Elements of Chemistry, In a New Systematic Order, Containing all the Modern Discoveries If it possesses an alkaline or acid reaction, it must be tested in the first case for ammonia, and in the second case for a volatile acid, such as sulphuric, nitric, hydrochloric, &c. Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 1 "Châtelet" to "Chicago" The sulfuric and nitric acids must be measured in glass or china cups, and the hydrochloric acid must be measured in a silver-plated spoon or in glass—not in tin. Common Science A precipitate thrown down by boiling and redissolved by nitric acid is probably phosphate of lime. Special Report on Diseases of Cattle The assay office, with its smell of nitric acid, its burned fumes, its clutter of broken cupels and slag, was unbearable. The Plunderer The nitric acid is one of the most prone to combination, and is at the same time very easily decomposed. Elements of Chemistry, In a New Systematic Order, Containing all the Modern Discoveries Silver chloride goes into solution, and may be precipitated by dilute nitric acid. Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 1 "Châtelet" to "Chicago" When you pour nitric acid on copper filings, there is a bubbling up of gas. Common Science The liquid is rendered transparent by nitric acid. Special Report on Diseases of Cattle She drew in a deep breath—and gasped, for the pungent fumes, acrid and penetrating, of sulphuric and nitric acids, stabbed her lungs. Astounding Stories of Super-Science April 1930 We may analyse charcoal either by combustion in air, or rather in oxygen gas, or by means of nitric acid. Elements of Chemistry, In a New Systematic Order, Containing all the Modern Discoveries The residue from the ammonium sulphide solution is warmed with dilute nitric acid. Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 1 "Châtelet" to "Chicago" Cover the silver with some of the dilute nitric acid, put the dish over the Bunsen burner on a wire gauze, and bring the acid to a gentle boil. Common Science In the smaller kinds of hernia, nitric acid may sometimes be applied with success. Special Report on Diseases of Cattle In some instances, the effects of heat upon albuminous urine are increased by the addition of nitric acid. North American Medical and Surgical Journal, Vol. 2, No. 3, July, 1826 The nitrous and nitric acids are procured from a neutral salt long known in the arts under the name of saltpetre. Elements of Chemistry, In a New Systematic Order, Containing all the Modern Discoveries So I gave it about fifty gallons of rocket juice—red fuming nitric acid—right in the belly. The Issahar Artifacts Pour a couple of drops of concentrated nitric acid on the paraffin-covered end of the piece of copper, and spread the acid with a match so that it can get down into the scratches. Common Science In small hernias nitric acid has been used successfully in the same manner as has been described in the treatment of ventral hernia. Special Report on Diseases of Cattle To the filtrate and washings add 5 cc. of a saturated solution of ferric alum and a few cc. of nitric acid. All About Coffee It is chiefly composed of water and oil slightly oxygenated, and is convertible into oxalic and malic acids by farther oxygenation with the nitric acid. Elements of Chemistry, In a New Systematic Order, Containing all the Modern Discoveries Swallowing of Corrosive Substances.—The œsophagus is damaged by the swallowing of strong chemicals, such as sulphuric acid, nitric acid, carbolic acid, or caustic potash. Manual of Surgery Volume Second: Extremities—Head—Neck. Sixth Edition. A teacher spilled some nitric acid on her apron. Common Science For cauterizing the wound, fuming nitric acid, the hot iron, and 10 per cent solution of zinc chlorid are the most efficacious. Special Report on Diseases of Cattle One writer on photography recommends the fused, as then the excess of nitric acid is got rid of. Notes and Queries A Medium of Inter-communication for Literary Men, Artists, Antiquaries, Geneologists, etc It is brought back to the state of nitric acid by heating over a gentle fire, which drives off the superabundant nitrous gas, and leaves the nitric acid much diluted with water. Elements of Chemistry, In a New Systematic Order, Containing all the Modern Discoveries If you have arc electric lights in your city, you will be able to pick up carbons; these, however, generally have a coating of copper, which must be eaten off with dilute nitric acid. How Two Boys Made Their Own Electrical Apparatus Containing Complete Directions for Making All Kinds of Simple Apparatus for the Study of Elementary Electricity Strong nitric acid also would neutralize the lye, but if you happened to use a drop too much, the acid would be worse than the lye. Common Science Dip wooden meat skewer, or lead pencil, into pure nitric acid, and rub into wound. The Home Medical Library, Volume I (of VI) The adipose tissue taken from a number of larv� is treated with nitric acid. The Glow-Worm and Other Beetles The clay combines with the potash, for which it has great affinity, and the nitric acid passes over, slightly impregnated with nitrous gas. Elements of Chemistry, In a New Systematic Order, Containing all the Modern Discoveries While the principal use of nitrogenous materials is as fertilizers, additional important quantities are used in ammonia for refrigerating plants, and in the form of nitric acid in a large number of chemical industries. The Economic Aspect of Geology He discovered the sulphuric, muriatic and nitric acids, and was the first to compose alcohol and the essence of terebinth or turpentine. Aphrodisiacs and Anti-aphrodisiacs: Three Essays on the Powers of Reproduction The nitric acid will dissolve metals, and this solution will go on more quickly if heat be applied; but surely the nitric acid is the solvent, the heat being only an aiding cause. Popular Lectures on Zoonomia Or The Laws of Animal Life, in Health and Disease We will cut a strip from this coat of many colours, after depriving it of its muscular fibres, and subject it to the action of nitric acid. The Glow-Worm and Other Beetles Afterwards, to insure the complete oxygenation of the metal, add more nitric acid, and evaporate to dryness, repeating this operation so long as red fumes of nitrous gas are produced. Elements of Chemistry, In a New Systematic Order, Containing all the Modern Discoveries During the war, with the extraordinary expansion of sulphuric and nitric acid plants, these proportions were reversed and the chemical and electrical industries consumed about two-thirds of the platinum. The Economic Aspect of Geology Pearls may lose their entire value by fire, and diamonds more than half of it.728.Aqua-regia, a mixture of nitric and muriatic acid, dissolves gold. Principles Of Political Economy Elaidin Test.—By the action of nitric acid in presence of mercury, a semi-solid mass is produced of a much deeper color than in the preceding cases. Scientific American Supplement, No. 488, May 9, 1885 Unassailable by nitric acid, they retain their sombre tint after treatment as before, whereas the portions stripped of their pigment by the reagent become almost as transparent as glass. The Glow-Worm and Other Beetles If the residuum contains nitrous gas, by adding oxygen gas, with which it combines into nitric acid, we can very nearly ascertain its quantity, from the diminution produced by this mixture. Elements of Chemistry, In a New Systematic Order, Containing all the Modern Discoveries When the latter have oxidized ammonia to nitrite, however, the former step in and oxidize it still further to nitric acid. Encyclopaedia Britannica, 11th Edition, Volume 3, Part 1, Slice 2 "Baconthorpe" to "Bankruptcy" A certain amount is used in connection with various chemical manufactures—for instance, that of nitric and sulphuric acid—and also in the manufacture of saltpetre, the chief constituent of gunpowder. Manures and the principles of manuring The silver coating is then dissolved in a bath of nitric acid, and the platinum wire is left behind. Scientific American Supplement, No. 488, May 9, 1885 The use of chemical reagents on the object-slide proves that nitric acid dissolves these grains, with effervescence and without leaving the least residue, even when they are still enclosed in their vesicles. The Glow-Worm and Other Beetles It becomes expensive, because, in many experiments, such as the formation of water and of nitric acid, it is absolutely necessary to employ two of the same machines. Elements of Chemistry, In a New Systematic Order, Containing all the Modern Discoveries In organic chemistry he published papers on the decomposition of ammonium oxalate, with formation of oxamic acid, on amyl alcohol, on the cyanides, and on the difference in constitution between nitric and sulphuric ether. Encyclopaedia Britannica, 11th Edition, Volume 3, Part 1, Slice 2 "Baconthorpe" to "Bankruptcy" A difficulty, however, which is not so easily met, is afforded by the presence of the nitric acid which, in combination with the soda, forms the nitrate of soda. Manures and the principles of manuring Much vexation often occurs in consequence of the various strengths of nitric acid. Notes and Queries, Number 204, September 24, 1853 A Medium of Inter-communication for Literary Men, Artists, Antiquaries, Genealogists, etc. When the action of the nitric acid has ceased, the transparent circles of the latter stand out against the black background of the former. The Glow-Worm and Other Beetles In deflagration with nitre, azotic gas is likewise disengaged, because azote is one of the constituent elements of nitric acid. Elements of Chemistry, In a New Systematic Order, Containing all the Modern Discoveries Firstly, a well known, often tried, but very bad method is to steep a piece of white new wood in a solution of nitric acid and water. The Repairing & Restoration of Violins 'The Strad' Library, No. XII. The question, therefore, of greatest interest in connection with the formation of these nitrate-beds is, Whence has the nitric acid been derived? Manures and the principles of manuring We also have in the mouth air, moisture, and decomposing nitrogenous food to assist in the production of nitric acid. Tin Foil and Its Combinations for Filling Teeth Treated with nitric acid on the microscopic slide, they do not dissolve nor produce effervescence. The Glow-Worm and Other Beetles We have before seen that, in the state of oxygen gas, it contained at least 66.66667; wherefore it follows that, in combining with azote to form nitric acid, it only loses 7.94502. Elements of Chemistry, In a New Systematic Order, Containing all the Modern Discoveries A part of me shall never pass the mortuary portal; And when I die my fame shall stand the nitric test of time— The fame of me of lowly birth, who built the lofty rhyme! Something Else Again That nitrogen and oxygen unite together to form nitric and nitrous oxides under the influence of intense heat, such as the electric spark, has been proved beyond doubt. Manures and the principles of manuring The fact should also be noted that both nitric and hydrochloric acids are administered as medicine, and often assist in producing decay. Tin Foil and Its Combinations for Filling Teeth As a colour, the red is almost that of the Spurge Caterpillar, but it is the result of a dye on which nitric acid has no effect as a detector of urates. The Glow-Worm and Other Beetles This species of acid, in conformity with our principles of nomenclature, is called nitric acid. Elements of Chemistry, In a New Systematic Order, Containing all the Modern Discoveries Precautions.—When an individual is bitten by an animal either supposed or known to be rabid, the wound should be immediately cauterized with some caustic, preferably concentrated nitric acid. Health on the Farm A Manual of Rural Sanitation and Hygiene The tendency of all nitrogen compounds in the soil is towards conversion into nitric acid. Manures and the principles of manuring White caries, the most formidable variety known, may be produced by nitric acid, and in these cases all the components of the tooth are acted upon and disintegrated as far as the action extends. Tin Foil and Its Combinations for Filling Teeth Hot nitric acid converts it into oxalic acid and a yellow substance of a resinous appearance. The Medicinal Plants of the Philippines In these earths the nitric acid is usually combined with lime and magnesia, sometimes with potash, and rarely with argill. Elements of Chemistry, In a New Systematic Order, Containing all the Modern Discoveries Trim the tiny points slightly, and anoint with this salve: Two drams of ointment of nitric oxida of mercury, and one dram of lard. The Ladies Book of Useful Information Compiled from many sources The third form of nitrogen in the soil is nitric acid. Manures and the principles of manuring The green parrot, fuming in a rage compared to which nitric acid was a cream puff, was restored to its Spring-drinking owner. Lady Luck Pyroxylin is made by treating cotton with equal parts of nitric and sulphuric acids, then washing with water till the latter ceases to give a precipitate with chloride of baryta; then dry in the air. The Medicinal Plants of the Philippines It is from the disengagement of oxygen that the nitric acid of the neutral salt is in this operation converted into nitrous acid. Elements of Chemistry, In a New Systematic Order, Containing all the Modern Discoveries The small, soft discolorations and excrescences of the skin, popularly called moles, may be removed by touching them every second or third day with strong acetic or nitric acid, or with lunar caustic. The Ladies Book of Useful Information Compiled from many sources In nature the nitrogen, present in the soil as ammonia and different organic forms, is constantly being converted into nitric acid. Manures and the principles of manuring By weathering, portions of this nitrogen become converted into nitric acid. Peat and its Uses as Fertilizer and Fuel It is promptly oxidized by nitric acid, and is converted into pelargonic acid and other fatty acids. The Medicinal Plants of the Philippines To show that some are not, put a few pieces of copper in a test-tube or tumbler and add a little nitric acid. Ontario Teachers' Manuals: Nature Study It consists of ordinary cotton treated with nitric and sulphuric acid and water, and has been named by chemists "pyroxylin," "nitro-cellulose," &c. The Sailor's Word-Book An Alphabetical Digest of Nautical Terms, including Some More Especially Military and Scientific, but Useful to Seamen; as well as Archaisms of Early Voyagers, etc. In addition to water, carbonic acid and nitric acid may also furnish small quantities. Manures and the principles of manuring Below, where the peat is more moist, ammonia is formed, perhaps simply by the reduction of nitric acid—not unlikely also, by the transformation of inert nitrogen. Peat and its Uses as Fertilizer and Fuel As Stenhouse had formerly indicated, no principle has been discovered to which the purgative properties can be attributed, unless it be a green oleo-resin turned red by nitric acid, obtained from the fruit by Apery. The Medicinal Plants of the Philippines |
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