| 单词 | hydroxide |
| 例句 | Lithium hydroxide was used to absorb the carbon dioxide in our exhaled breath. Flying to the Moon: An Astronaut's Story 1976-01-01T00:00:00Z A second possibility was that some of the chemical called lithium hydroxide had gotten into our eyes. Flying to the Moon: An Astronaut's Story 1976-01-01T00:00:00Z Essentially, this involves reacting it with sodium hydroxide and making a smaller molecule that is water-friendly. What is chlorophyll water? 2022-12-05T05:00:00Z Now, carefully pour the sodium hydroxide into the pitcher of water, and stir just long enough to make sure it all dissolves. How to make soap at home (even if you failed chemistry) 2022-07-15T04:00:00Z Other cars were carrying two chemicals--sodium hydroxide and ferrous sulfate. Metra delays linger after freight derailment 2011-11-04T10:57:00Z Each corn varietal has to be investigated to find the correct amount of calcium hydroxide and appropriate cooking times. The Fight to Save the Traditional Tortilla 2018-12-21T05:00:00Z BPI's signature product, commonly mixed into ground beef, is made from beef chunks, including trimmings, and exposed to bursts of ammonium hydroxide to kill E. coli and other contaminants. 'Pink Slime' case against ABC a challenge to press in era of 'fake news' 2017-06-05T04:00:00Z Use your scale and measuring cup to carefully weigh 201 grams of sodium hydroxide and set it aside. How to make soap at home (even if you failed chemistry) 2022-07-15T04:00:00Z The solution is then neutralized with sodium hydroxide, which leaves the final product with an abundance of sodium. “Modern chicken has no flavor” — let’s make it in a lab 2013-03-17T16:00:00Z Using cobalt hydroxide and lithium hydroxide as starting materials, with sodium or potassium hydroxide as an additive, the team conducted a series of high-precision experiments under varying conditions to synthesize layered LiCoO2 crystals. Cathode active materials for lithium-ion batteries could be produced at low temperatures 2023-10-23T04:00:00Z In UPM's new mill the wood is chipped, then boiled with sodium hydroxide and sodium sulphide at high pressure. Does the paper industry need to cut its water usage? 2023-10-22T04:00:00Z Prices of the cobalt hydroxide used to make chemicals for electric vehicle batteries have plummeted due to an upsurge of supplies from top producer Democratic Republic of Congo. US retailers' financial losses jump as retail crime escalates - NRF 2023-09-26T04:00:00Z Mineral Resources is deciding whether to build an Australian lithium battery chemical plant, while Albemarle is expanding production at its Kemerton hydroxide plant and SQM is also building a lithium hydroxide plant. Analysis-Lithium buyers eye cheaper early-stage deals in Australia 2023-08-22T04:00:00Z Japanese trading company Sumitomo Corp and Australian lithium developer Liontown Resources said on Monday they had agreed to work together to study producing lithium hydroxide in Japan. Aramco Q2 profit down 38% to $30 bln 2023-08-07T04:00:00Z The process, known as resomation, uses a mix of potassium hydroxide and water to break down human remains in what is billed as a more sustainable option. Water cremation: Co-op Funeralcare to be first UK company to offer resomation 2023-07-02T04:00:00Z VW has a five-year supply contract with Vulcan Energy Resources Ltd., which plans to produce lithium hydroxide from geothermal brine in Germany’s Rhine Valley. Threatened by shortages, electric car makers race for supplies of lithium for batteries 2023-06-27T04:00:00Z So far, Australia has just two facilities to produce battery-grade lithium hydroxide, used to make cathodes, with a third under construction. Australia Tries to Break Its Dependence on China for Lithium Mining 2023-05-23T04:00:00Z The agreement calls for the delivery of up to 13,000 tons of lithium hydroxide per year. Factbox: Ford strikes multiple lithium deals to ramp up EV production 2023-05-22T04:00:00Z A solution with a high number of hydroxide ions is basic and has a high pH value. Concepts of Biology 2013-04-25T00:00:00Z The operator watched as the intruder clicked into various software programs before landing on a function that controls the amount of sodium hydroxide, or lye, in the plant’s water system. Cracks, hacks and attacks: The many risks facing California's aging water infrastructure 2023-05-08T04:00:00Z North Carolina-based Albemarle is the world’s biggest lithium producer with major facilities in Chile, China and Western Australia where it holds stakes in two mines and is building a lithium hydroxide processing plant near Perth. Lithium miner Liontown soars as it snubs $3.7 billion Albemarle bid 2023-03-27T04:00:00Z The investment needed to establish a lithium hydroxide plant is roughly two-and-a-half times higher in Australia than in China, said John Stover, a portfolio manager at Tribeca Investment Partners, citing data from the bank UBS. Australia Tries to Break Its Dependence on China for Lithium Mining 2023-05-23T04:00:00Z EnergySource Minerals will supply lithium hydroxide produced at its Imperial Valley, California site which is expected to be operational in 2025. Factbox: Ford strikes multiple lithium deals to ramp up EV production 2023-05-22T04:00:00Z The company said it expects the South Carolina facility to annually produce about 50,000 metric tons of battery-grade lithium hydroxide, with the potential to double the output. Albemarle to invest over $1 billion in lithium plant as EV battery demand grows 2023-03-22T04:00:00Z In that incident, an intruder breached the system using a remote access program to increase the amount of sodium hydroxide to be added to the water by a factor of 100, local officials said. EPA mandates states report on cyber threats to water systems 2023-03-03T05:00:00Z The pressure is particularly evident for producers of cobalt hydroxide, a semi-refined product that accounts for the bulk of global supply. Cobalt’s battery-powered boom has turned to bust 2023-02-13T05:00:00Z Last year it produced its first battery-grade lithium hydroxide — more than a year behind schedule. Australia Tries to Break Its Dependence on China for Lithium Mining 2023-05-23T04:00:00Z The added calcium hydroxide, or lime, raises the water’s pH and enables it to sequester more CO2 in the form of calcium bicarbonate or as carbonate deposited in the shells of sea creatures. Ocean geoengineering scheme aces its first field test 2022-12-15T05:00:00Z Then it aimed to develop new technology to process that lithium into lithium hydroxide. U.S. steps away from flagship lithium project with Berkshire 2022-10-05T04:00:00Z Sodium hydroxide is used to lower acidity in swimming pools and drinking water, but can cause chemical burns in high concentrations. EPA mandates states report on cyber threats to water systems 2023-03-03T05:00:00Z Under some contracts, Glencore has been selling cobalt hydroxide at its steepest-ever discount to the price of the finished metal, according to people familiar with the matter. Cobalt’s battery-powered boom has turned to bust 2023-02-13T05:00:00Z The potential battery-grade lithium hydroxide refining facility will process, refine and manufacture battery materials, Tesla said in an application filed with the Texas Comptroller's Office on August 22. Tesla considering lithium refinery in Texas 2022-09-09T04:00:00Z In 2014, Caldeira and colleagues added sodium hydroxide—also known as lye and an ingredient in many soaps and detergents—to a part of Australia’s Great Barrier Reef. Ocean geoengineering scheme aces its first field test 2022-12-15T05:00:00Z Department of Energy grant was focused on the second challenge, turning the extracted lithium into lithium hydroxide. U.S. steps away from flagship lithium project with Berkshire 2022-10-05T04:00:00Z The vision included four 500-foot deep mines and a chemical plant that could convert the mineral spodumene into 22,700 metric tons of lithium hydroxide annually. Electric vehicle boom could bring lithium mines back to North Carolina 2022-09-01T04:00:00Z Attempts to recharge an alkaline battery that is not rechargeable often leads to rupture of the battery and leakage of the potassium hydroxide electrolyte. Chemistry 2019-02-14T00:00:00Z In cases where the base releases hydroxide ions, these ions bind to free hydrogen ions, generating new water molecules. Biology for AP Courses 2022-06-09T00:00:00Z One combined a little bit of the solvent with sodium hydroxide, a common component of soap, in water. Simple mix of soap and solvent could help destroy ‘forever chemicals’ 2022-08-17T04:00:00Z But making hydroxide requires extra processing involving crystallizers and other specialized equipment. U.S. steps away from flagship lithium project with Berkshire 2022-10-05T04:00:00Z "They said the operation will be completely safe," said Lisa Stroup, who lives two miles south of the proposed Piedmont Lithium site and worked at a lithium hydroxide plant in nearby Bessemer City. Electric vehicle boom could bring lithium mines back to North Carolina 2022-09-01T04:00:00Z After the removal of the impurities by filtration, the addition of acid to the aluminate leads to the reprecipitation of aluminum hydroxide: Chemistry 2019-02-14T00:00:00Z Buffers absorb excess hydrogen and hydroxide ions to prevent increases or decrease in pH. Biology for AP Courses 2022-06-09T00:00:00Z It was sodium hydroxide, the chemical in lye. Forever Chemicals No More? PFAS Are Destroyed With New Technique 2022-08-18T04:00:00Z If and when Berkshire is able to extract the lithium from the Salton Sea brine, making carbonate would be less complicated and expensive than making hydroxide. U.S. steps away from flagship lithium project with Berkshire 2022-10-05T04:00:00Z Australia's European Lithium Ltd said on Friday it has signed an agreement with German automobile maker BMW AG to supply battery-grade lithium hydroxide, as companies look to shift towards greener sources of energy. Porsche and Piech families seek driving seat at Volkswagen - sources 2022-08-08T04:00:00Z Addition of calcium hydroxide to seawater precipitates magnesium hydroxide. Chemistry 2019-02-14T00:00:00Z Buffers absorb excess hydroxide ions to prevent increases or decreases in pH. Biology for AP Courses 2022-06-09T00:00:00Z One water molecule can split apart to form one positive hydrogen ion, H+, and one negative hydroxide ion, OH–. Miller & Levine Biology 2018-01-01T00:00:00Z In a statement to Reuters, Berkshire said it had planned to develop "a first-of-its-kind demonstration plant to produce lithium hydroxide" but "subsequently decided to use a commercially proven process" to produce lithium carbonate instead. U.S. steps away from flagship lithium project with Berkshire 2022-10-05T04:00:00Z Sodium hydroxide and many household cleaners are very alkaline and give up OH– rapidly when placed in water, thereby raising the pH. Environmental Biology 2018-09-06T00:00:00Z This solution is sometimes called “ammonium hydroxide,” although this term is not chemically accurate. Chemistry 2019-02-14T00:00:00Z Buffers absorb excess hydrogen and hydroxide ions to prevent increases or decreases in pH. Biology for AP Courses 2022-06-09T00:00:00Z Some important hydroxides are limonite and bauxite, which are ores of iron and aluminium respectively. Physical Geology 2015-01-01T00:00:00Z Berkshire's decision not to make hydroxide from the Salton Sea - and to forego the federal funding for that - indicates it likely faced far more complex technical challenges than it expected, four analysts told Reuters. U.S. steps away from flagship lithium project with Berkshire 2022-10-05T04:00:00Z These salt crystals form when calcium phosphate and calcium carbonate combine to create hydroxyapatite, which incorporates other inorganic salts like magnesium hydroxide, fluoride, and sulfate as it crystallizes, or calcifies, on the collagen fibers. Anatomy and Physiology 2013-06-19T00:00:00Z The laboratory preparation of ammonia is by the reaction of an ammonium salt with a strong base such as sodium hydroxide. Chemistry 2019-02-14T00:00:00Z His creation allows air to pass through a warehouse filled with calcium hydroxide. There’s a carbon-capture gold rush. Some warn better solutions exist. 2022-06-23T04:00:00Z Lithium produced from spodumene rock can be used to make lithium hydroxide, which is prized by EV battery manufacturers partly because it holds a charge longer than the more-common lithium carbonate. Piedmont Lithium looks abroad amid North Carolina uncertainty 2022-06-22T04:00:00Z CTR will produce battery grade lithium hydroxide and lithium carbonate along with geothermal energy in Imperial County, California, with a resource production capacity in excess of 300,000 metric tons per year. Stellantis secures lithium supply from California for EV batteries 2022-06-02T04:00:00Z Automaker Stellantis has reached a deal to have Controlled Thermal Resources Ltd. supply battery-grade lithium hydroxide for its electric vehicles in North America. Stellantis, Controlled Thermal in lithium hydroxide deal 2022-06-02T04:00:00Z It is possible to prepare the insoluble hydroxides of beryllium, magnesium, and other representative metals by the addition of sodium hydroxide to a solution of a salt of the respective metal. Chemistry 2019-02-14T00:00:00Z For lithium, Tesla is building a plant in Texas that will convert spodumene concentrate - processed rock containing the metal - into lithium hydroxide, a key building block for EV batteries. Analysis-Musk's tweets fuel mining industry's hopes of a buyout by Tesla 2022-04-19T04:00:00Z “If enacted, EPA’s proposed rule would ban the manufacture of nearly one-third of chlorine and sodium hydroxide chemicals and have significant adverse effects on the supply of the nation’s drinking water,” the group said. EPA moves to ban the most common type of cancer-causing asbestos 2022-04-05T04:00:00Z The substance is found in products such brake linings and gaskets, and is used to manufacture chlorine bleach and sodium hydroxide, also known as caustic soda. EPA rule would finally ban asbestos, carcinogen still in use 2022-04-05T04:00:00Z CTR will produce battery grade lithium hydroxide and lithium carbonate along with geothermal energy in California with a resource production capacity in excess of 300,000 metric tons per year. Stellantis, Controlled Thermal in lithium hydroxide deal 2022-06-02T04:00:00Z Sodium hydroxide is among the top 10 chemicals in production in the United States, and this production was almost entirely by electrolysis of solutions of sodium chloride. Chemistry 2019-02-14T00:00:00Z Electric vehicle batteries can use lithium carbonate or lithium hydroxide. Electric vehicles drive up nickel, cobalt and lithium prices 2022-02-03T05:00:00Z There are 10 manufacturing plants in the United States that still use asbestos to make chlorine and sodium hydroxide, but EPA officials said their reliance on this technology has declined over time. EPA moves to ban the most common type of cancer-causing asbestos 2022-04-05T04:00:00Z While chlorine is a commonly used disinfectant in water treatment, there are only 10 chlor-alkali plants in the U.S. that still use asbestos diaphragms to produce chlorine and sodium hydroxide. EPA rule would finally ban asbestos, carcinogen still in use 2022-04-05T04:00:00Z A hacker who sought to change the drinking water’s level of sodium hydroxide, the liquid drain ingredient lye, was prevented from doing so by a plant operator in the town near Tampa. Fears grow that cyber chaos will spark wars as hack attacks become more aggressive 2022-01-01T05:00:00Z Sodium hydroxide is an ionic compound and melts without decomposition. Chemistry 2019-02-14T00:00:00Z Lithium hydroxide is a key material in the manufacture of lithium-ion batteries for electric vehicles. Portugal picked for Europe’s biggest lithium treatment plant 2021-12-14T05:00:00Z Batteries for such EVs typically are made with a type of lithium known as hydroxide that cannot be stored for long periods of time and thus must be made in custom batches. EV industry must work closer with lithium suppliers, executives say 2021-12-02T05:00:00Z Electric vehicle batteries typically use lithium carbonate or lithium hydroxide. High lithium costs start to feed into prices of China EV batteries -BMI 2021-10-29T04:00:00Z “We are becoming the lithium partner of the automotive industry and are building our own, previously non-existent infrastructure for battery-grade lithium hydroxide in Europe,” Rock Tech Lithium CEO Dirk Habecke said in a statement. Canada's Rock Tech Lithium to build $544 million plant in Brandenburg 2021-10-11T04:00:00Z The reaction of hydroxides with appropriate acids is also used to prepare salts. Chemistry 2019-02-14T00:00:00Z The companies said demand for lithium hydroxide is predicted to grow more than tenfold by the end of the decade as countries shift to clean energy to fight climate change. Portugal picked for Europe’s biggest lithium treatment plant 2021-12-14T05:00:00Z Tesla, meanwhile, is building a plant in Texas that will convert Piedmont's spodumene concentrate into lithium hydroxide, a key building block for EV batteries. Piedmont Lithium delays timeline to supply Tesla 2021-08-02T04:00:00Z Cobalt hydroxide prices are generally up more than 80% at $47,800 a tonne in the year to the end of September. High lithium costs start to feed into prices of China EV batteries -BMI 2021-10-29T04:00:00Z Vulcan last month signed a long-term deal to sell lithium hydroxide from its German project to the battery unit of South Korea’s LG Chem. Renault locks in lithium supply from Vulcan Energy in five-year deal 2021-08-02T04:00:00Z Heating the corresponding hydroxides, nitrates, or carbonates is the most common method for producing oxides. Chemistry 2019-02-14T00:00:00Z Piedmont's deal with Tesla involves supplying roughly 53,000 tonnes of spodumene concentrate to the automaker's planned lithium hydroxide chemical plant in Texas starting sometime between July 2022 and July 2023. In push to supply Tesla, Piedmont Lithium irks North Carolina neighbors 2021-07-20T04:00:00Z It also purchased sodium hydroxide pellets and sulfuric acid which are intended to be used to generate the deadly gas. Senate Republicans expected to defeat Capitol attack commission bill – live 2021-05-28T04:00:00Z In these batteries, a water-based electrolyte spiked with potassium hydroxide or another alkaline material separates a zinc anode and a cathode made of other conductive materials, often porous carbon. Zinc-based cells promise to be cheaper and safer for grid storage 2021-05-27T04:00:00Z After watching all this, the Oldsmar plant operator quickly lowered the sodium hydroxide level and called his boss. America’s drinking water is surprisingly easy to poison 2021-03-26T04:00:00Z The soluble oxides dissolve in water to form solutions of hydroxides. Chemistry 2019-02-14T00:00:00Z The electrolyte is typically spiked with potassium hydroxide, which allows the chemical conversions to occur at a lower voltage, thereby boosting the overall energy efficiency. Chemists close in on greener way to make plastics 2021-02-24T05:00:00Z The public was never in peril, though the intruder took “the sodium hydroxide up to dangerous levels,” the sheriff said. Hack exposes vulnerability of cash-strapped US water plants 2021-02-09T05:00:00Z "This is obviously a significant and potentially dangerous increase. Sodium hydroxide, also known as lye, is the main ingredient in liquid drain cleaners," he continued. FBI, Florida authorities pursuing leads as water-treatment hacking investigation continues 2021-02-09T05:00:00Z The hacker then briefly increased the amount of sodium hydroxide from 100 parts per million to 11,100 parts per million. Hacker tried to poison Florida water supply near Super Bowl, police say 2021-02-08T05:00:00Z The hydroxides of the representative metals react with acids in acid-base reactions to form salts and water. Chemistry 2019-02-14T00:00:00Z In place of CO2, they fed their cell CO, which doesn’t react with hydroxide to form carbonate. Chemists close in on greener way to make plastics 2021-02-24T05:00:00Z But another attempt was made early in the afternoon and this time the hacker accessed the treatment software and increased the sodium hydroxide content from 100 parts per million to 11,100 ppm. Hacker tries to poison water supply of Florida city 2021-02-08T05:00:00Z Its adjuvant—an ingredient that bolsters the immune response—is a combination of aluminum hydroxide and an imidazoquinolinone that has never been used in approved vaccines. Scientists criticize ‘rushed’ approval of Indian COVID-19 vaccine without efficacy data 2021-01-05T05:00:00Z Sodium hydroxide, also known as lye, is the main ingredient in liquid drain cleaners. Hacker tried to poison Florida water supply near Super Bowl, police say 2021-02-08T05:00:00Z Other laboratory preparations involve the addition of aqueous hydrohalic acids to compounds that contain such basic anions, such as hydroxides, oxides, or carbonates. Chemistry 2019-02-14T00:00:00Z Wednesday, apparently when a truck jackknifed on the bridge and was struck by another truck hauling potassium hydroxide. Repairs to bridge linking Ohio, Kentucky to take weeks 2020-11-12T05:00:00Z Sodium hydroxide is the chief ingredient in liquid drain cleaners. Hacker tries to poison water supply of Florida city 2021-02-08T05:00:00Z Officials said the potassium hydroxide contributed to the heat and duration of the fire, the Cincinnati Enquirer reported. National Digest: Fiery crash closes bridge between Ohio and Kentucky 2020-11-11T05:00:00Z The governor said the crash appeared to be caused when a northbound truck jackknifed on the bridge and was struck by another truck hauling potassium hydroxide. Fiery crash closes bridge linking Ohio, Kentucky ‘for days’ 2020-11-11T05:00:00Z However, both the hydroxides and the hydrated oxides react with acids to form salts and water. Chemistry 2019-02-14T00:00:00Z The National Library of Medicine’s website says that “at room temperature, sodium hydroxide is a white crystalline odorless solid that absorbs moisture from the air.” Wind, rain and a chemical fire. Hurricane Laura was gone but the crisis wasn’t over. 2020-08-27T04:00:00Z Nevertheless, she severed both hands below the thumbs, placed them in a clear plastic bucket and poured in sodium hydroxide to rehydrate the skin. How U.S. Policy Turned the Sonoran Desert Into a Graveyard for Migrants 2020-08-18T04:00:00Z This pipeline-quality CO2 removes the need for CO2 capture in current technologies that use amines or hydroxides to scrub the CO2. Natural Gas Use Is Rising. Is that Good News or Bad News for the Climate? 2020-01-09T05:00:00Z In a phase I trial, the researchers gave 35 women aged 19 to 45 either a version of the vaccine that included aluminium hydroxide, or one that included lipid molecules or a placebo. Research round-up: Vaccines 2019-11-26T05:00:00Z When precipitating a metal from solution, it is necessary to avoid an excess of hydroxide ion, as this may lead to complex ion formation as discussed later in this chapter. Chemistry 2019-02-14T00:00:00Z Residents are demanding an end to the deal, which seeks to build a factory for electric vehicle batteries and a lithium hydroxide plant. Protests in Bolivia over lithium deal with German company 2019-10-07T04:00:00Z The chemical composition of the material also needs to be verified, because unwanted hydrides or hydroxides might have formed. Superconductivity seen in a non-magnetic nickel oxide 2019-08-27T04:00:00Z And it does not produce lithium hydroxide in Chile, the type of processed lithium required by POSCO-Samsung. How lithium-rich Chile botched a plan to attract battery makers 2019-07-17T04:00:00Z The company said the decision was prompted by falling market demand for lithium carbonate, its top Chile product, versus the lithium hydroxide it produces elsewhere. Chile, once the world's lithium leader, loses ground to rivals 2019-05-30T04:00:00Z The precipitated metal hydroxides can be separated for further processing or for waste disposal. Chemistry 2019-02-14T00:00:00Z They found that this extreme amphipod constructs a personal suit of armor—a layer of aluminum hydroxide gel covering the surface of its exoskeleton. This shrimplike creature makes aluminum armor to survive the deep sea’s crushing pressure 2019-04-30T04:00:00Z Mell is giving himself six months to select a cobalt hydroxide feedstock, after which he said there will be an 18 to 24-month process before the restart. First Cobalt targets Canada plant restart within two years: CEO 2019-04-10T04:00:00Z Large fans draw in air, which is run through a mesh coated with a hydroxide solution. Blamed for Climate Change, Oil Companies Invest in Carbon Removal 2019-04-07T04:00:00Z The company hopes to build, within a few years, a $340 million plant to turn lithium concentrate into a chemical form, lithium hydroxide, that is used in batteries and other applications. Demand for lithium could revive North Carolina mines 2019-04-06T04:00:00Z The reactions involved include the reactions of oxides, hydroxides, or carbonates with acids. Chemistry 2019-02-14T00:00:00Z Certain hydroxides react with carbon dioxide, reversibly binding to the CO2 molecule. Climate change 'magic bullet' gets boost 2019-04-03T04:00:00Z The mixture was heated to 158 degrees Fahrenheit, the oxygen was removed and they added iron hydroxide, or "green rust," which was abundant in the early days of the planet. NASA was able to recreate the 'origins of life' and the results are shocking 2019-02-26T05:00:00Z The hydroxide binds with the carbon dioxide to convert it into a carbonate solution. Blamed for Climate Change, Oil Companies Invest in Carbon Removal 2019-04-07T04:00:00Z The Bolivian project includes plans to build a lithium hydroxide plant and a factory for producing electric car batteries in Bolivia. In the new lithium 'Great Game', Germany edges out China in Bolivia 2019-01-28T05:00:00Z Oxides, hydroxides, and carbonates of transition metal compounds in low oxidation states are basic. Chemistry 2019-02-14T00:00:00Z That is then treated with a slurry of calcium hydroxide to change it into solid form; the slurry helps form tiny pellets of calcium carbonate. Climate change 'magic bullet' gets boost 2019-04-03T04:00:00Z Less than a gallon of sodium hydroxide, or lye, spilled. Authorities identify man killed in Brookings County crash 2018-10-29T04:00:00Z Water is added to the calcium oxide, and the resulting slurry is returned to the pellet reactor, to regenerate the hydroxide solution used in the process. Blamed for Climate Change, Oil Companies Invest in Carbon Removal 2019-04-07T04:00:00Z The Lapeer Police Department says the chemical was identified as sodium hydroxide, which is used in a variety of household cleaning products. Chemical on eastern MI slide that burned 2 kids identified 2018-08-15T04:00:00Z If it were produced, it would instantly react with the excess hydroxide ion to produce water. Chemistry 2019-02-14T00:00:00Z Their approach is to treat blocks of wood with sodium hydroxide and sodium sulphate in a chemical process similar to that used to remove lignin from papermaking pulp. Making buildings, cars and planes from materials based on plant fibres 2018-06-14T04:00:00Z First, air is channelled by fans onto a honeycombed plastic slab called a contactor, where CO2, which is acidic, reacts with aqueous potassium hydroxide, which is alkaline. Extracting carbon dioxide from the air is possible. But at what cost? 2018-06-07T04:00:00Z Water is added to the calcium oxide, and the resulting slurry is returned to the pellet reactor, to regenerate the hydroxide solution used in the process. Blamed for Climate Change, Oil Companies Invest in Carbon Removal 2019-04-07T04:00:00Z This eco-friendly method uses an alkaline solution made with potassium hydroxide to dissolve the body, leaving just the skeleton, which is then dried and pulverised to a powder. What do people want to happen at the end their life? 2018-05-17T04:00:00Z A base is a substance that will dissolve in water to yield hydroxide ions, OH−. Chemistry 2019-02-14T00:00:00Z Then he doused her in industrial-strength lye – a sodium hydroxide solution used in cleaning. The secrets of resilience: what one woman’s extraordinary trauma – and survival – can teach us 2018-05-02T04:00:00Z The resulting solution of potassium carbonate is filtered and exposed to a slurry of calcium hydroxide. Extracting carbon dioxide from the air is possible. But at what cost? 2018-06-07T04:00:00Z Large fans draw in air, which is run through a mesh coated with a hydroxide solution. Blamed for Climate Change, Oil Companies Invest in Carbon Removal 2019-04-07T04:00:00Z If the alkali is sodium hydroxide, the result is a hard soap, relatively difficult to dissolve. In Your Bathroom, the Scum of the Earth 2018-04-06T04:00:00Z These bases, along with other hydroxides that completely dissociate in water, are considered strong bases. Chemistry 2019-02-14T00:00:00Z Firefighters were called to the campus about 1:20 p.m., when students working with lithium hydroxide and lithium metal experienced a chemical reaction that sparked a blaze, according to the Long Beach Police Department. Fire erupts during chemistry experiment at Cal State Long Beach, injuring professor 2018-02-27T05:00:00Z This produces potassium hydroxide, which is recycled back to the contactor, and pellets of calcium carbonate. Extracting carbon dioxide from the air is possible. But at what cost? 2018-06-07T04:00:00Z The hydroxide binds with the carbon dioxide to convert it into a carbonate solution. Blamed for Climate Change, Oil Companies Invest in Carbon Removal 2019-04-07T04:00:00Z Potassium hydroxide, on the other hand, produces an easily soluble soft soap. In Your Bathroom, the Scum of the Earth 2018-04-06T04:00:00Z This equation confirms that sodium hydroxide is a base. Chemistry 2019-02-14T00:00:00Z In this case the lime is calcium hydroxide - or limestone dust. Unlocking Secrets of Sour Flavors With Something Found in Your Ears 2018-02-03T05:00:00Z Bitran said Tesla and SQM were “exploring” opportunities after Tesla expressed interest in buying “important volumes” of lithium hydroxide, a key ingredient in the batteries used in electric vehicles, from SQM. Chile open to increasing SQM lithium quota to satisfy Tesla: Corfo 2018-01-29T05:00:00Z Large fans draw in air, which is run through a mesh coated with a hydroxide solution. Blamed for Climate Change, Oil Companies Invest in Carbon Removal 2019-04-07T04:00:00Z Those minimal exhaust fumes had to go through a scrubber that used sodium chlorite, sodium hydroxide, sulfuric acid, sodium sulfide, three mixers, three pumps, a lot of water, and a great big blower. Fear of the Federal Government in the Ranchlands of Oregon 2018-01-18T05:00:00Z Unlike ionic hydroxides, some compounds produce hydroxide ions when dissolved by chemically reacting with water molecules. Chemistry 2019-02-14T00:00:00Z Magnesium hydroxide is used in the sewage treatment process to control odor and help with corrosion resistance. More than 850 gallons of magnesium hydroxide leak into river 2017-12-11T05:00:00Z Bitran said Tesla and SQM were “exploring” opportunities after Tesla expressed interest in buying “important volumes” of lithium hydroxide, a key ingredient in the batteries used in electric vehicles, from SQM. Chile open to increasing SQM lithium quota to satisfy Tesla: Corfo 2018-01-29T05:00:00Z The hydroxide binds with the carbon dioxide to convert it into a carbonate solution. Blamed for Climate Change, Oil Companies Invest in Carbon Removal 2019-04-07T04:00:00Z The company is able to buy Ethiopian sodium hydroxide, but it’s expensive, so Wan is considering ordering from China. Park life: workers struggle to make ends meet at Ethiopia's $250m industrial zone | William Davison 2017-12-05T05:00:00Z When dissolved in water, ammonia reacts partially to yield hydroxide ions, as shown here: Chemistry 2019-02-14T00:00:00Z At the plant, a strong alkaline solution of potassium hydroxide reacts with the CO2 in ambient air. Emissions: We have the technology : Nature : Nature Research 2017-10-10T04:00:00Z The technique has its origins in an 1888 patent for making fertilizer and gelatin, which describes dissolving animal parts in an alkaline solution such as potassium hydroxide. Dissolve the Dead? Controversy Swirls around Liquid Cremation 2017-09-07T04:00:00Z Water is added to the calcium oxide, and the resulting slurry is returned to the pellet reactor, to regenerate the hydroxide solution used in the process. Blamed for Climate Change, Oil Companies Invest in Carbon Removal 2019-04-07T04:00:00Z Tuesday after a report of a sodium hydroxide leak in the basement. Chemical leak prompts evacuation of Appleton business 2017-08-16T04:00:00Z The aluminum hydroxide tends to cause constipation, and some antacids use aluminum hydroxide in concert with magnesium hydroxide to balance the side effects of the two substances. Chemistry 2019-02-14T00:00:00Z BPI's signature product, commonly mixed into ground beef, is made from beef chunks, including trimmings, and exposed to bursts of ammonium hydroxide to kill E. coli bacteria and other contaminants. Disney pays at least $177 million to settle 'pink slime' case: filing 2017-08-09T04:00:00Z The lithium-ion batteries needed to power electric cars use lithium carbonate or lithium hydroxide, but the industry typically talks in terms of lithium carbonate equivalent which contains both. Lithium processors prepare to meet demand in era of electric car 2017-08-07T04:00:00Z Annual contract prices for lithium carbonate and lithium hydroxide doubled in 2017, according to Industrial Minerals, a journal. A battle for supremacy in the lithium triangle 2017-06-15T04:00:00Z Lean, finely textured beef is made from beef chunks, including trimmings and exposed to tiny bursts of ammonium hydroxide to kill bacteria. ABC ‘Pink Slime’ case headed for trial after appeal is rejected 2017-04-05T04:00:00Z Aqueous solutions of magnesium chloride and sodium hydroxide react to produce solid magnesium hydroxide and aqueous sodium chloride. Chemistry 2019-02-14T00:00:00Z BPI's signature product, commonly mixed into ground beef, is made from beef chunks, including trimmings, and exposed to bursts of ammonium hydroxide to kill E. coli bacteria and other contaminants. Disney pays at least $177 million to settle 'pink slime' case: filing 2017-08-09T04:00:00Z Demand for lithium hydroxide, preferred over carbonate as it allows greater battery capacity and longer life, is expected to grow at a faster pace. Lithium processors prepare to meet demand in era of electric car 2017-08-07T04:00:00Z Fourteen of the train’s 175 cars left the track, with one car leaking more than 700 gallons of sodium hydroxide — a caustic chemical used in cleaning agents. Virginia Avenue Tunnel project advances in D.C. amid neighborhood disruption 2017-01-28T05:00:00Z They were curious about actually being able to see the reaction that was taking place between the silver nitrate, ammonium nitrate, dextrose and sodium hydroxide. Harry Potter-inspired class focuses kids on magic of science 2016-12-21T05:00:00Z Aqueous solutions of phosphoric acid and potassium hydroxide react to produce aqueous potassium dihydrogen phosphate and liquid water. Chemistry 2019-02-14T00:00:00Z A CSX train carrying sodium hydroxide derailed May 1 in Northeast Washington. Report: Wheel failure caused May CSX train derailment in Northeast D.C. 2016-08-17T04:00:00Z The lithium-ion batteries needed to power electric cars use lithium carbonate or lithium hydroxide, but the industry typically talks in terms of lithium carbonate equivalent which contains both. Lithium processors prepare to meet demand in era of electric car 2017-08-07T04:00:00Z These products contain sodium hydroxide which is required by the Poison Prevention Packaging Act to be sealed with child-resistant packaging. Recalls this week: Liquid Plumr, safety gates, dressers 2016-07-15T04:00:00Z She says sodium hydroxide is only dangerous if touched. 5 train cars derail in Texas, spilling chemical, injuring 2 2016-07-03T04:00:00Z Solid calcium hydroxide is then added to the seawater, reacting with dissolved magnesium chloride to yield solid magnesium hydroxide and aqueous calcium chloride. Chemistry 2019-02-14T00:00:00Z Fourteen of the train’s 175 cars derailed, with one car leaking more than 700 gallons of sodium hydroxide — a hazardous chemical used in cleaning agents. Report: Wheel failure caused May CSX train derailment in Northeast D.C. 2016-08-17T04:00:00Z Demand for lithium hydroxide, preferred over carbonate as it allows greater battery capacity and longer life, is expected to grow at a faster pace. Lithium processors prepare to meet demand in era of electric car 2017-08-07T04:00:00Z Three of the tank cars were found to be leaking, including 750 gallons of the liquid content of a tanker containing sodium hydroxide. In aftermath of derailment, D.C. officials turn focus to CSX and its cargo 2016-05-02T04:00:00Z Sodium hydroxide, also known as corrosive lye, is used to produce various household products including paper, soap and detergents, CSX said. Derailment affects commuter train service into Washington 2016-05-02T04:00:00Z Lithium hydroxide may be used to absorb carbon dioxide in enclosed environments, such as manned spacecraft and submarines. Chemistry 2019-02-14T00:00:00Z As part of the cleanup effort, the soil affected by the sodium hydroxide spill was excavated and replaced with clean fill. Report: Wheel failure caused May CSX train derailment in Northeast D.C. 2016-08-17T04:00:00Z According to the Centers for Disease Control and Prevention, the effects of exposure to sodium hydroxide can include irritated eyes, burning skin, loss of hair and swelling of the lungs. CSX train derails in Northeast Washington, leaking hazardous chemicals and disrupting travel 2016-05-01T04:00:00Z After the train cars are removed from the site, CSX will begin soil remediation in the area affected by the sodium hydroxide spill, the company said. In aftermath of derailment, D.C. officials turn focus to CSX and its cargo 2016-05-02T04:00:00Z The DC fire department said sodium hydroxide, also known as lye and caustic soda, is leaking from one car. Washington DC chemical leak after CSX freight train derails - BBC News 2016-05-01T04:00:00Z In the reverse direction, a hydroxide ion acts as a base in accepting a proton from ammonium ion, which acts as an acid. Chemistry 2019-02-14T00:00:00Z NBC4 Television reported that at least one of the leaking chemicals is sodium hydroxide, citing multiple sources at the scene. Freight train derails in Washington, cars leaking hazardous chemicals 2016-05-01T04:00:00Z The derailment, about 70 cars into the train, spilled half the liquid contents of a 15,500- gallon tanker containing sodium hydroxide, D.C. CSX train derails in Northeast Washington, leaking hazardous chemicals and disrupting travel 2016-05-01T04:00:00Z CSX described sodium hydroxide — also known as lye — as a chemical “used to produce various household products, including paper, soap and detergents.” In aftermath of derailment, D.C. officials turn focus to CSX and its cargo 2016-05-02T04:00:00Z This is taken by tanker to a plant near the coast where it is turned into finely powdered lithium carbonate and hydroxide, which are then shipped around the world. An increasingly precious metal 2016-01-14T05:00:00Z The process is endothermic, and so the extent of ionization and the resulting concentrations of hydronium ion and hydroxide ion increase with temperature. Chemistry 2019-02-14T00:00:00Z Centers for Disease Control and Prevention website, sodium hydroxide is a caustic soda, similar to lye. Freight train derails in Washington, cars leaking hazardous chemicals 2016-05-01T04:00:00Z Sodium hydroxide is especially dangerous when mixed with water, because the toxin when wet creates heat that can ignite flammable products. CSX train derails in Northeast Washington, leaking hazardous chemicals and disrupting travel 2016-05-01T04:00:00Z The material that leaked Sunday, sodium hydroxide, is not flammable and doesn’t vaporize, officials said. In aftermath of derailment, D.C. officials turn focus to CSX and its cargo 2016-05-02T04:00:00Z Nonetheless, in August Bacanora, a Canadian firm, said it had signed a conditional agreement to supply Tesla with lithium hydroxide from a mine that it plans to develop in northern Mexico. An increasingly precious metal 2016-01-14T05:00:00Z In solutions of the same concentration, stronger bases ionize to a greater extent, and so yield higher hydroxide ion concentrations than do weaker bases. Chemistry 2019-02-14T00:00:00Z The conventional method for extracting chitin uses sodium hydroxide, a caustic chemical. Entrepreneurs turn billion dollar seafood waste into profitable products 2015-12-14T05:00:00Z “This was a hydroxide that they spilled this time. Those are nasty things coming through,” he said, reflecting on what could have happened had the chemical spilled just a short distance south, near the Capitol. CSX train derails in Northeast Washington, leaking hazardous chemicals and disrupting travel 2016-05-01T04:00:00Z The fire marshal said tests confirmed that a fine white powder collected from around the blast crater was sodium hydroxide dust - one byproduct of the violent chemical reaction that also produces heat and hydrogen gas. Fire marshal: Seeping water caused radioactive dump blast 2015-11-27T05:00:00Z The Cambridge demonstrator battery employs different chemistry than previous work on lithium-air batteries, for example using lithium hydroxide rather than lithium peroxide. Scientists announce progress toward better battery to power cars 2015-10-29T04:00:00Z As defined in the ICE table, x is equal to the equilibrium concentration of hydroxide ion: Chemistry 2019-02-14T00:00:00Z With these ingredients, when the ions react with oxygen at the cathode, they produce crystals of lithium hydroxide. ‘Breathing battery’ advance holds promise for long-range electric cars 2015-10-28T04:00:00Z CSX described sodium hydroxide as a chemical “used to produce various household products, including paper, soap and detergents.” CSX train derails in Northeast Washington, leaking hazardous chemicals and disrupting travel 2016-05-01T04:00:00Z The plant uses fans to push air through towers containing potassium hydroxide solution, which reacts with CO2 to form potassium carbonate; the remaining air, now containing less CO2, is released. Companies that suck carbon from air line up customers 2015-10-13T04:00:00Z In the case of a release of sodium cyanide, for example, the United Nations recommends neutralising it with sodium hydroxide. China explosions: Potent chemical mix behind Tianjin blasts - BBC News 2015-08-14T04:00:00Z Lower electronegativity is characteristic of the more metallic elements; hence, the metallic elements form ionic hydroxides that are by definition basic compounds. Chemistry 2019-02-14T00:00:00Z Lithium hydroxide, by contrast, decomposes readily when the battery is recharged. ‘Breathing battery’ advance holds promise for long-range electric cars 2015-10-28T04:00:00Z As a nine year old, Taylor mixed methanol and sodium hydroxide to create a biodiesel fuel, which he hoped his father would use to run his Coca-Cola delivery fleet. Why This 14-Year-Old Kid Built A Nuclear Reactor 2015-07-26T04:00:00Z When seawater infiltrates the carbon-rich rocks, they emit CO2, which reacts with calcium and hydrogen-rich rocks to form calcium hydroxide, or hydrated lime, one of the key ingredients in cement. Natural rock near Naples, Italy, may have inspired Roman concrete 2015-07-10T04:00:00Z The company uses potassium hydroxide in the liquid electrolyte that keeps the fuel cell cooler than in previous incarnations. AFC Energy -- Another Player In The Fuel Cell Arena 2015-06-09T04:00:00Z In this reaction, a proton is transferred from one of the aluminum-bound H2O molecules to a hydroxide ion in solution. Chemistry 2019-02-14T00:00:00Z The survey showed some tanks contained thousands of gallons of brine, oil and gas used in natural gas drilling, while one 275,000-gallon tank held hazardous sodium hydroxide, also called caustic soda. State IDs faulty tanks; now tank law is being scaled back 2015-05-02T04:00:00Z Ansley then mixes the milk with sodium hydroxide, commonly called lye, and fats in a process called saponification - the process that produces soap. Excess goat milk leads to Fairbanks soap-making business 2015-03-15T04:00:00Z Last May, it was finally ready to be bathed in a solution of sodium hydroxide to loosen the encrustation. After 150 years, Confederate submarine's hull again revealed 2015-01-30T05:00:00Z Exide also failed to properly report a Jan. 12 spill of sodium hydroxide, a caustic liquid used in the recycling process, the toxic substances agency said. Exide battery plant cited for hazardous waste violations 2015-01-28T05:00:00Z Calculate the hydronium ion concentration and the hydroxide ion concentration in lime juice from its pH. Chemistry 2019-02-14T00:00:00Z This coffee goes through a pharmaceutical process whereby it’s washed in sodium hydroxide, which removes the oil and smell from the grounds. This High-Tech Blazer Is Lined With Odor-Eating Coffee Grounds 2014-10-23T04:00:00Z Small business owners would have more cash for the capital goods they need, from spark plugs for mechanic shops to sodium hydroxide for soapmakers. How Business Can Change Cuba 2014-10-16T04:00:00Z The proton and potassium pumps were better able to compensate for the damage to the cell membrane when the medium was enhanced with the potassium chloride and potassium hydroxide. Super Yeast Tolerates Heat and Alcohol 2014-10-03T04:00:00Z The researchers combined these new solar cells with a highly efficient water splitting catalyst, first demonstrated by Hongjie Dai's group at Stanford University in the US, comprising a nickel–iron layered double hydroxide. New Solar Cells Use Perovskite to Turn Water into Energy 2014-09-29T04:00:00Z The hydroxide ion concentration in household ammonia is 3.2 10−3 M at 25 °C. What is the concentration of hydronium ions in the solution? Chemistry 2019-02-14T00:00:00Z BPI makes its product by spinning discarded beef scraps in a centrifuge to separate the lean, edible trimmings and then treating the result with ammonium hydroxide meant to kill food-borne pathogens like E. coli. 'Pink Slime' Ground Meat is Back 2014-08-26T04:00:00Z BPI is the leading maker of the low-fat product made from chunks of beef, including trimmings, and exposed to tiny bursts of ammonium hydroxide to kill E. coli and other dangerous contaminants. Beef Products Inc reopens plant as 'pink slime' lawsuit proceeds 2014-08-12T04:00:00Z Fire Chief Jason Shivers says the workers were unloading sodium hydroxide from a truck when residual gas was released and caused eye irritation Tuesday afternoon. 5 hospitalized in Forsyth Co. chemical spill 2014-07-29T04:00:00Z The growing list of putative tastes now includes soapiness, lysine, electric, alkaline, hydroxide and metallic. A Budding Club of Tastes 2014-07-21T04:00:00Z The added compound does not contain a common ion, and no effect on the magnesium hydroxide solubility equilibrium is expected. Chemistry 2019-02-14T00:00:00Z They could come from hydroxide ions in a layer of water a molecule thick that inevitably coats the grains, Jaeger speculates. Static Electricity Defies Simple Explanation 2014-05-15T04:00:00Z But the great feedstock of the chemicals industry is a different sodium chemical - sodium hydroxide, better known as caustic soda. Getting rid of dirt - and murder victims 2014-05-02T23:21:49Z According to the National Institutes of Health, sodium hydroxide - also known as lye and caustic soda - is found in many industrial solvents and cleaners. 5 hospitalized in Forsyth Co. chemical spill 2014-07-29T04:00:00Z This produced chlorine-free sodium hydroxide, but released tiny traces of mercury, which is very toxic, into the environment. Chlorine: From toxic chemical to household cleaner 2014-04-18T23:26:03Z Adding more solid magnesium hydroxide will increase the amount of undissolved compound in the mixture. Chemistry 2019-02-14T00:00:00Z Forward suggests that it might be easier to try to detect the presence of hydroxide ions using chemistry. Static Electricity Defies Simple Explanation 2014-05-15T04:00:00Z BPI relies on a different technology than Cargill and uses ammonium hydroxide, rather than citric acid, as a processing agent to kill potential pathogens. Exclusive: Cargill to change beef labeling in wake of 'pink slime' furor 2013-11-05T18:06:14Z Sodium hydroxide solution is made during the electrolysis of concentrated sodium chloride solution. 7 questions on GCSE science 2013-08-21T00:52:28Z Company spokeswoman Raquel Espinoza said one railcar was leaking sodium hydroxide, which can cause injuries or even death if it is inhaled or touches the skin. Two killed, five wounded in Calif. shooting; court says bracelets are not lewd 2013-08-06T00:17:35Z The solution is already saturated, though, so the concentrations of dissolved magnesium and hydroxide ions will remain the same. Chemistry 2019-02-14T00:00:00Z A police spokeswoman said: "The leaked chemical is a sodium hydroxide called Proxel and around 300 litres leaked from the lorry." Chemical spill forces A1 closure 2013-06-24T19:32:22Z To this mixture, one molar equivalent of sodium hydroxide was added. [Technical Comment] Comment on “ApoE-Directed Therapeutics Rapidly Clear β-Amyloid and Reverse Deficits in AD Mouse Models” 2013-05-23T18:25:20.267Z The mixture is gradually heated up to 400 with nitrogen gas until the potassium hydroxide melts off and chars with the spent coffee. Could Disposable Coffee Pods Help Stem Climate Change? 2013-05-08T14:45:15.147Z There, the sulfur dioxide rapidly combined with readily available hydroxide gas—which, in liquid form, is commonly known as hydrogen peroxide—to form more than 100 million tons of sulfuric acid. Tambora Erupts in 1815 and Changes World History [Excerpt] 2013-03-01T18:45:00.280Z Thus, changing the amount of solid magnesium hydroxide in the mixture has no effect on the value of Q, and no shift is required to restore Q to the value of the equilibrium constant. Chemistry 2019-02-14T00:00:00Z In the first of those phases, the bismuth-phosphate process, technicians immersed spent-fuel rods from nuclear reactors in a boiling solution of sodium nitrate and sodium hydroxide. What's Inside The Leaking Tanks At Hanford 2013-02-25T13:55:25Z The sodium hydroxide to carbonate then electrolysing to produce CO2: that looks a bit odd but is sensible enough. Insane Technology Watch: Making Petrol From Air 2012-10-19T14:33:08Z The second method developed by Plaza and colleagues uses basic potassium hydroxide to create a more intricate surface on the spent coffee grounds. Could Disposable Coffee Pods Help Stem Climate Change? 2013-05-08T14:45:15.147Z In 2001, DOE added sodium hydroxide and sodium nitrate to discourage the toxic sludge from corroding the tank. What's Inside The Suspect Nuclear Waste Tank At Hanford? 2012-08-27T13:03:54Z Some toothpastes and mouth rinses contain added NaF or SnF2 that make enamel more acid resistant by replacing the strong base hydroxide with the weak base fluoride: Chemistry 2019-02-14T00:00:00Z The swift response also reflected a desire to avoid a repeat of the pink slime scare, which erupted when consumers learned some ground meat contained scraps of beef treated with ammonium hydroxide. Quick response averts market scare in mad cow case 2012-04-26T09:16:04Z The production of sodium hydroxide in the first place requires vast amounts of energy. Insane Technology Watch: Making Petrol From Air 2012-10-19T14:33:08Z Pink slime is made up of ground-up beef scraps, fat and connective tissue that is heated, sent through a centrifuge and doused with ammonia hydroxide. Panic Time: Is 'Tuna Scrape' the New 'Pink Slime'? 2012-04-24T12:35:24Z But the final oh in that deep, dark blue is OH, hydroxide. The Real Heart of the Ocean 2012-04-14T14:45:05.383Z Since it lacks a hydroxide ion, fluorapatite is more resistant to attacks by acids in our mouths and is thus less soluble, protecting our teeth. Chemistry 2019-02-14T00:00:00Z The lean mix is then compressed into blocks for use in ground meat and treated with ammonium hydroxide gas to kill bacteria, such as E. coli and salmonella. Iowa gov wants probe of 'smear campaign' against 'pink slime' 2012-04-02T18:41:40Z The ammonium hydroxide BPI uses is also used in baked goods, puddings and other processed foods. Governors Plan Show Support for ?Pink Slime? Producers; Urge Consumers to Reconsider Product 2012-03-29T15:20:27Z Speaking of additives, what about the ammonium hydroxide? Pink Slime, Deconstructed 2012-03-27T18:15:00.307Z It is exposed to a puff of ammonia hydroxide gas to kill bacteria. | Washington: D.C. Schools Can Take ?Pink Slime? Off Lunch Menus 2012-03-16T06:24:55Z As their name suggests, these types of batteries use alkaline electrolytes, often potassium hydroxide. Chemistry 2019-02-14T00:00:00Z The company called ammonium hydroxide a "natural compound ... widely used in the processing of numerous foods." Treated beef dubbed 'pink slime' to show up in school lunches 2012-03-09T03:49:04Z Pink slime is the nickname for the beef product made out of scraps gathered from the slaughterhouse floor then mushed up and treated with ammonium hydroxide to kill e. coli and salmonella. Making Cars Carnivores: Tyson Venture Turns Animal Fat Into Diesel 2012-02-17T22:36:25Z Ammonia is also active, but not quite in the same manner as the alkali hydroxides. Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 6 "Groups, Theory of" to "Gwyniad" 2011-12-16T03:00:12.320Z After that you warm the oil up and add sodium hydroxide and methanol. DIY biofuels: The fat of the land 2011-12-01T16:06:02Z Alkaline batteries are prone to leaking potassium hydroxide, so they should be removed from devices for long- term storage. Chemistry 2019-02-14T00:00:00Z The positive plate consists of nickel tubes filled with alternate layers of nickel hydroxide, while the negative plate is formed of prepared oxide of iron in a nickel framework. 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 A three or four per cent solution of hydroxide will hasten the process, but more frequent observation is required to prevent excessive maceration. The Baculum in Microtine Rodents 2011-11-17T03:00:33.777Z Dry guncotton heated in ammonia gas detonates at about 70�, and ammonium hydroxide solutions of all strengths slowly decompose it, yielding somewhat complex products. Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 6 "Groups, Theory of" to "Gwyniad" 2011-12-16T03:00:12.320Z That, he says, is the biggest misconception about alkaline hydrolysis, a green alternative to cremation that involves liquefying human remains with potassium hydroxide and 300F heat. The Greening of Death 2011-11-03T20:50:24Z The alkali metals all react vigorously with water to form hydrogen gas and a basic solution of the metal hydroxide. Chemistry 2019-02-14T00:00:00Z The electrolyte is a solution of potassium hydroxide. 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 process involves pressurized water, potassium hydroxide and electric heat to generate an accelerated chemical reaction similar to what occurs to bodies when they are buried in the ground. Florida funeral home offers eco-friendly cremations 2011-10-10T22:47:58Z The lead takes up water and oxygen and forms a basic hydroxide of lead. Paint Technology and Tests 2011-09-15T02:00:12.263Z Cane sugar then yields a syrupy mixture of glucose and fructose, which, having been freed from the acid and concentrated, is mixed with water, cooled in ice and calcium hydroxide added. Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 3 "Frost" to "Fyzabad" 2011-08-15T02:00:28.473Z The products of the reaction with water are hydrogen and the metal hydroxide. Chemistry 2019-02-14T00:00:00Z The difference is that dust from red mud contains traces of sodium hydroxide, which reacts with the water content of the lungs and eyes, causing irritation or burns in many people. Recalculating 'Normal' in Hungarian Disaster Zone 2011-06-08T21:03:11Z Calcium, cerium, lithium, magnesium, potassium, sodium, and strontium are obtained by the electrolysis of fused chlorides, sodium being also obtained from fused hydroxide and fused nitrate. The New Gresham Encyclopedia Volume 4, Part 2: Ebert to Estremadura 2011-04-14T02:00:56.200Z Carbon dioxide gas is next pumped slowly through the cylinders which contain the basic hydroxide of lead. Paint Technology and Tests 2011-09-15T02:00:12.263Z This calcium hydroxide is a substance which is very caustic, and care must be exercised in handling it. The Philippine Agricultural Review Vol. VIII, First Quarter, 1915 No. 1 2011-04-13T02:00:12.527Z The next step is to remove the precipitated aluminum hydroxide by filtration. Chemistry 2019-02-14T00:00:00Z The salts of hydrofluoric acid are known as fluorides and are easily obtained by the action of the acid on metals or their oxides, hydroxides or carbonates. Encyclopaedia Britannica, 11th Edition, Volume 10, Slice 5 "Fleury, Claude" to "Foraker" 2011-04-03T02:00:20.883Z All interpretations of osteological characters are based on specimens cleared in potassium hydroxide and stained with alizarin red. A Review of the Middle American Tree Frogs of the Genus Ptychohyla 2011-02-28T03:00:32.093Z Potassium hydroxide is similar to the stuff you use to clean the oven. Aquamation: A Greener Alternative to Cremation? 2010-10-01T03:30:00Z 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" The addition of hydrochloric acid to magnesium hydroxide, followed by evaporation of the resultant aqueous solution, leaves pure magnesium chloride. Chemistry 2019-02-14T00:00:00Z N/10 hydrochloric acid to standardize N/10 alcoholic sodium hydroxide. Soap-Making Manual A Practical Handbook on the Raw Materials, Their Manipulation, Analysis and Control in the Modern Soap Plant. Barium hydroxide is soluble in water, forming a strongly-alkaline solution, Baryta water, which is much used in chemical analysis. The New Gresham Encyclopedia. Vol. 1 Part 3 Atrebates to Bedlis Ataca�mite, a combination of the hydroxide and chloride of copper, occurring abundantly in some parts of South America, as at Atacama, whence it has its name. The New Gresham Encyclopedia. Vol. 1 Part 2 Amiel to Atrauli In Fleitmann’s test, the solution containing the arsenious compound is mixed with pure potassium hydroxide solution and a piece of pure zinc or aluminium foil dropped in and the whole then heated. Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 6 "Armour Plates" to "Arundel, Earls of" The nitride ion is a much stronger base than the hydroxide ion: Chemistry 2019-02-14T00:00:00Z Approximately N/10 alcoholic sodium hydroxide to fix and control the N/40 stearic acid. Soap-Making Manual A Practical Handbook on the Raw Materials, Their Manipulation, Analysis and Control in the Modern Soap Plant. It is prepared from nitrobenzene by reducing it with stannous chloride and sodium hydroxide. The New Gresham Encyclopedia. Vol. 1 Part 3 Atrebates to Bedlis Volatile Alkali, or ammonic hydroxide, is a much feebler alkali than the others, and when the solution is heated all the ammonia is driven off. The New Gresham Encyclopedia. Vol. 1 Part 1 A to Amide After a few hours, the insoluble material is separated, washed once more with water, and then extracted with a very dilute solution of sodium hydroxide. History of Phosphorus Reactions of hydrohalic acids with metals, metal hydroxides, oxides, or carbonates produce salts of the halides. Chemistry 2019-02-14T00:00:00Z In the filtrate remaining after having washed the fatty acids in the determination of total fatty and resin acids all the alkali present as soap, as carbonate and as hydroxide remains in solution as sulfate. Soap-Making Manual A Practical Handbook on the Raw Materials, Their Manipulation, Analysis and Control in the Modern Soap Plant. 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" The caustic alkalies are strong alkalies which have a powerful corrosive action on the skin, and the common ones are potassic hydroxide or caustic potash, sodic hydroxide or caustic soda, and lithic hydroxide. The New Gresham Encyclopedia. Vol. 1 Part 1 A to Amide The bismuth hydroxide so obtained is finally reduced by hydrogen. Encyclopaedia Britannica, 11th Edition, Volume 4, Slice 1 "Bisharin" to "Bohea" With the exception of magnesium carbonate, it is possible to prepare carbonates of the metals of groups 1 and 2 by the reaction of carbon dioxide with the respective oxide or hydroxide. Chemistry 2019-02-14T00:00:00Z The solution is then neutralized with alcoholic sodium hydroxide, using phenolphthalein as an indicator. Soap-Making Manual A Practical Handbook on the Raw Materials, Their Manipulation, Analysis and Control in the Modern Soap Plant. Now to the etherial solution, add about half its volume of a concentrated solution of potassium hydroxide in methyl alcohol. The Chemistry of Plant Life Other alkalies are calcic hydroxide or slaked lime, a solution of which in water is known as lime-water; baric hydroxide and strontic hydroxide, derived from the metals barium and strontium. The New Gresham Encyclopedia. Vol. 1 Part 1 A to Amide Cerium compounds may be recognized by the red precipitate of ceric hydroxide, which is formed when sodium hypochlorite is added to a colourless cerous salt. Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 7 "Cerargyrite" to "Charing Cross" The net ionic reaction involves hydroxide ion and carbon dioxide: Chemistry 2019-02-14T00:00:00Z Add phenolphthalein to the filtrate and titrate with N/10 acid and calculate the per cent. of free alkali as sodium or potassium hydroxide. Soap-Making Manual A Practical Handbook on the Raw Materials, Their Manipulation, Analysis and Control in the Modern Soap Plant. Enolic Forms.—A final avenue for the interconversion of glucose, mannose, and fructose into one another, is through the spontaneous transformations which these undergo when dissolved in water containing sodium hydroxide or potassium hydroxide. The Chemistry of Plant Life It will be observed that in the hydration of tricalcium silicate, the main constituent of Portland cement, a large portion of the lime appears as calcium hydroxide, i.e. slaked lime. Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 6 "Celtes, Konrad" to "Ceramics" By the addition of caustic soda to cerous salts, a white precipitate of cerous hydroxide is formed. Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 7 "Cerargyrite" to "Charing Cross" Soluble metal hydroxides can be produced by the reaction of the metal or metal oxide with water. Chemistry 2019-02-14T00:00:00Z Add 50 to 100 cc. hot, neutral alcohol, and titrate with N/2, N/4 or N/10 sodium hydroxide depending on the fatty acid content, using phenolphthalein as indicator. Soap-Making Manual A Practical Handbook on the Raw Materials, Their Manipulation, Analysis and Control in the Modern Soap Plant. When fused with a mixture of dry sodium and potassium hydroxides, it is decomposed into oxalic and acetic acids. The Chemistry of Plant Life Benzene diazonium hydroxide, although a strong base, reacts with the alkaline hydroxides to form salts with the evolution of heat, and generally behaves as a weak acid. Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 4 "Diameter" to "Dinarchus" So, too, in the case of thorium salts a substance can be obtained by means of ammonium hydroxide which is several thousand times more active than an equal weight of the original salt. A Brief Account of Radio-activity Insoluble metal hydroxides form when a solution of a soluble salt of the metal combines with a solution containing hydroxide ions. Chemistry 2019-02-14T00:00:00Z The alcohol should be redistilled from potassium hydroxide over which it has been standing for some time, or with which it has been boiled for some time, using a reflux condenser. Soap-Making Manual A Practical Handbook on the Raw Materials, Their Manipulation, Analysis and Control in the Modern Soap Plant. The characteristic nitrogen-containing compounds may all be regarded as derived from ammonia, or ammonium hydroxide, by the replacement of one or more hydrogen atoms with organic radicals of varying type and complexity. The Chemistry of Plant Life It is generally accepted that the iso-diazo hydroxides possess the oxime structure R�N:N�OH. Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 4 "Diameter" to "Dinarchus" The most important are cuprous oxide, Cu2O, and cupric oxide, CuO, both of Oxides and hydroxides. which give rise to well-defined series of salts. Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 3 "Convention" to "Copyright" With the exception of beryllium and magnesium, the metals of groups 1 and 2 react with water to form hydroxides and hydrogen gas. Chemistry 2019-02-14T00:00:00Z Pipette 50 cc. of the alcoholic potassium hydroxide solution into the flask, allowing the pipette to drain for a definite time. Soap-Making Manual A Practical Handbook on the Raw Materials, Their Manipulation, Analysis and Control in the Modern Soap Plant. Cobalt monoxide, CoO, is prepared by heating the hydroxide or carbonate in a current of air, or by heating the oxide Co3O4 in a current of carbon dioxide. Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 5 "Clervaux" to "Cockade" The constitution of the isomeric diazo hydroxides has given rise to much discussion. Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 4 "Diameter" to "Dinarchus" 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" However, these reactions can be violent and dangerous; therefore, it is preferable to produce soluble metal hydroxides by the reaction of the respective oxide with water: Chemistry 2019-02-14T00:00:00Z First—Determine the strength of the N/10 alcoholic sodium hydroxide in terms of N/10 hydrochloric acid and calculate the factor, e. g.: Soap-Making Manual A Practical Handbook on the Raw Materials, Their Manipulation, Analysis and Control in the Modern Soap Plant. A blue basic salt is precipitated first, which, on boiling, rapidly changes to the rose-coloured hydroxide. Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 5 "Clervaux" to "Cockade" Sodium and potassium hydroxide solutions precipitate green chromium hydroxide from solutions of chromic salts; the precipitate is soluble in excess of the cold alkali, but is completely thrown down on boiling the solution. Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 3 "Chitral" to "Cincinnati" The next group precipitate may contain the white gelatinous aluminium hydroxide, the greenish chromium hydroxide, reddish ferric hydroxide, and possibly zinc and manganese hydroxides. Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 1 "Châtelet" to "Chicago" This is obvious for the soluble oxides because they form metal hydroxides. Chemistry 2019-02-14T00:00:00Z By deducting the amount of free alkali present as carbonate or hydroxide previously found the amount of combined alkali in the soap may be calculated. Soap-Making Manual A Practical Handbook on the Raw Materials, Their Manipulation, Analysis and Control in the Modern Soap Plant. This hydroxide is soluble in well cooled acids, forming solutions which contain cobaltic salts, one of the most stable of which is the acetate. Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 5 "Clervaux" to "Cockade" Balard determined the volume composition of the gas by decomposition over mercury on gentle warming, followed by the absorption of the chlorine produced with potassium hydroxide, and then measured the residual oxygen. Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 3 "Chitral" to "Cincinnati" These compounds may be regarded as oxides in just the same way as the alcohols are regarded as hydroxides. Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 1 "Châtelet" to "Chicago" Most other metal oxides are insoluble and do not form hydroxides in water; however, they are still base anhydrides because they will react with acids. Chemistry 2019-02-14T00:00:00Z In making up a solution thus it is an improvement to add to the same about one-half of one per cent. of an alkali either as the hydroxide or carbonate. Soap-Making Manual A Practical Handbook on the Raw Materials, Their Manipulation, Analysis and Control in the Modern Soap Plant. The cobaltous salts are formed when the metal, cobaltous oxide, hydroxide or carbonate, are dissolved in acids, or, in the case of the insoluble salts, by precipitation. Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 5 "Clervaux" to "Cockade" The potash-lime is made as follows: 1 kilogram of commercial potassium hydroxide, pulverized, is dissolved in 550 to 650 cubic centimeters of water and 1 kilogram of pulverized quicklime added slowly. Respiration Calorimeters for Studying the Respiratory Exchange and Energy Transformations of Man Run a few cubic centimetres of distilled water into that division of the plate base containing the sodic hydroxide. The Elements of Bacteriological Technique A Laboratory Guide for Medical, Dental, and Technical Students. Second Edition Rewritten and Enlarged. An aqueous suspension of magnesium hydroxide constitutes the antacid milk of magnesia. Chemistry 2019-02-14T00:00:00Z The hydroxides of these metals are usually used, except in the so called carbonate saponification of free fatty acids in which case sodium and potassium carbonate are used. Soap-Making Manual A Practical Handbook on the Raw Materials, Their Manipulation, Analysis and Control in the Modern Soap Plant. It dissolves easily in water, forming the hydrated chloride, CoCl2�6H2O, which may also be prepared by dissolving the hydroxide or carbonate in hydrochloric acid. Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 5 "Clervaux" to "Cockade" All experiments with potassium hydroxide in the form of sticks or in solution failed to give the desired results and the use of soda-lime has supplemented all other forms of carbon dioxide absorption. Respiration Calorimeters for Studying the Respiratory Exchange and Energy Transformations of Man Place a tablet of pyrogallic acid in one division of the interior of the plate base, and two tablets of sodic hydroxide in the other. The Elements of Bacteriological Technique A Laboratory Guide for Medical, Dental, and Technical Students. Second Edition Rewritten and Enlarged. Nitrates, salts of nitric acid, form when metals, oxides, hydroxides, or carbonates react with nitric acid. Chemistry 2019-02-14T00:00:00Z It is manufactured by treating sodium carbonate in an iron vessel with calcium hydroxide or slaked lime, or by electrolysis of common salt. Soap-Making Manual A Practical Handbook on the Raw Materials, Their Manipulation, Analysis and Control in the Modern Soap Plant. In inorganic chemistry such compounds are almost invariably oxides or hydroxides, and water in eliminated during the combination; but in organic chemistry many compounds exist, especially ammonia derivatives, which directly combine with acids. Encyclopaedia Britannica, 11th Edition, Volume 3, Part 1, Slice 3 "Banks" to "Bassoon" The ferric hydroxide accumulates in the sheath, and gradually passes into the more insoluble ferric oxide. Encyclopaedia Britannica, 11th Edition, Volume 3, Part 1, Slice 2 "Baconthorpe" to "Bankruptcy" MacNeil was using milk of magnesia, which is the hydroxide, for ‘gastric acidity’. Cum Grano Salis These salts also form from the reaction of SO2 with oxides and hydroxides. Chemistry 2019-02-14T00:00:00Z The solution must be clear and the potassium hydroxide free from carbonates. Soap-Making Manual A Practical Handbook on the Raw Materials, Their Manipulation, Analysis and Control in the Modern Soap Plant. It is a white powder which is readily decomposed by water with the formation of the hydroxide and hydrosulphide. Encyclopaedia Britannica, 11th Edition, Volume 3, Part 1, Slice 3 "Banks" to "Bassoon" The heat from the ship boiled the water which undoubtedly contained sodium carbonate and calcium hydroxide; presto, and the air was filled with clouds of sodium hydroxide. No Moving Parts The chief step in the production of the metal dates from the time that the mineral bauxite, a hydroxide of aluminium and iron, was decomposed in the electric furnace. Commercial Geography A Book for High Schools, Commercial Courses, and Business Colleges A salt is an ionic compound composed of cations and anions, other than hydroxide or oxide ions. Chemistry 2019-02-14T00:00:00Z Other mordants are oxides, hydroxides, and basic salts of aluminum, iron, tin, and chromium. Textiles For Commercial, Industrial, and Domestic Arts Schools; Also Adapted to Those Engaged in Wholesale and Retail Dry Goods, Wool, Cotton, and Dressmaker's Trades In order to ascertain the effect of dilute ammonia on the cellulose substances of lignin, a dried 5 p.ct. caustic soda extract was extracted successively with 1, 2, 3, and 4 p.ct. sodium hydroxide solution. Researches on Cellulose 1895-1900 Aluminium hydroxide is soluble in the slightly acid gastric juice and has an astringent action on animal tissue, hindering digestion in a way similar to the alum itself. Human Foods and Their Nutritive Value The products formed pass up through the chimney and are absorbed by the sodium hydroxide. An Elementary Study of Chemistry In general, it is possible to prepare these salts from the metals or from oxides, hydroxides, or carbonates. Chemistry 2019-02-14T00:00:00Z Caesium sulphate, Cs2SO4, may be prepared by dissolving the hydroxide or carbonate in sulphuric acid. Encyclopaedia Britannica, 11th Edition, Volume 4, Part 4 "Bulgaria" to "Calgary" Bromides.—Hydrobromic acid reacts with metallic oxides, hydroxides and carbonates to form bromides, which can in many cases be obtained also by the direct union of the metals with bromine. Encyclopaedia Britannica, 11th Edition, Volume 4, Part 3 "Brescia" to "Bulgaria" It is sometimes possible to distend or swell the flesh by utilizing a 1- to 3-percent solution of sodium hydroxide or potassium hydroxide, sometimes referred to as caustic potash. The Science of Fingerprints Classification and Uses The excess of the sodium hydroxide reverses the reaction of hydrolysis and the normal salt crystallizes out. An Elementary Study of Chemistry It is possible to prepare additional salts by the reaction of these hydroxides, carbonates, and oxides with aqueous solution of other acids: Chemistry 2019-02-14T00:00:00Z It is decomposed by heat into the oxide and water, and is soluble in ammonia but not in excess of dilute potassium hydroxide; this latter property serves to distinguish it from zinc hydroxide. Encyclopaedia Britannica, 11th Edition, Volume 4, Part 4 "Bulgaria" to "Calgary" If heated with solution of potassium hydroxide, odour of aniline is given off; if liquid, when it is warmed with a few drops of chloroform, a penetrating and unpleasant odour of isocyanide. Aids to Forensic Medicine and Toxicology If, after several hours in the hydroxide, the finger has not reached its normal size, it should be placed in water for an hour or two. The Science of Fingerprints Classification and Uses Action of the halogen elements on potassium hydroxide. An Elementary Study of Chemistry In our discussion of oxides in this section, we have seen that reactions of the covalent oxides of the transition elements with hydroxides form salts that contain oxyanions of the transition elements. Chemistry 2019-02-14T00:00:00Z Caesium chloride, CsCl, is obtained by the direct action of chlorine on caesium, or by solution of the hydroxide in hydrochloric acid. Encyclopaedia Britannica, 11th Edition, Volume 4, Part 4 "Bulgaria" to "Calgary" Then add sodium hydroxide solution until the precipitate which first forms is redissolved and a clear blue liquid obtained. Physiology and Hygiene for Secondary Schools It is also suggested that the fingerprint examiner wear rubber gloves when using acetone, benzine, xylene, formaldehyde, potassium hydroxide, or sodium hydroxide. The Science of Fingerprints Classification and Uses When bromine is added to a hot concentrated solution of potassium hydroxide there is formed a mixture of potassium bromide and potassium bromate in accordance with the reactions already discussed. An Elementary Study of Chemistry An added hydroxide ion is removed by the reaction: Chemistry 2019-02-14T00:00:00Z Dissolve in water containing a little sodium hydroxide; transfer to a 2-litre flask: dilute to 2 litres; add a few grams of white lead; shake up and allow to settle. A Text-book of Assaying: For the Use of Those Connected with Mines. These salts can also be produced by the union of acids with equivalent quantities of certain metallic oxides or hydroxides, called bases, of which those soluble in water are termed alkalis. The Chemistry of Hat Manufacturing Lectures Delivered Before the Hat Manufacturers' Association This point of caution is made because of the reaction of the potassium or sodium hydroxide, which is actually one of destruction. The Science of Fingerprints Classification and Uses This is seen in the solubility of the sulphate and hydroxide, and in the ease of decomposition of the carbonates, as given in the table. An Elementary Study of Chemistry The solution pH is then calculated using the concentration of hydroxide ion: Chemistry 2019-02-14T00:00:00Z Castile soap Fine, hard, white, odorless soap made of olive oil and sodium hydroxide. Mother's Remedies Over One Thousand Tried and Tested Remedies from Mothers of the United States and Canada Cellulose is also soluble in an ammoniacal solution of copper hydroxide. Creative Chemistry Descriptive of Recent Achievements in the Chemical Industries The finger to be distended is cut from the hand at the second joint and placed in the hydroxide. The Science of Fingerprints Classification and Uses It acts upon water, forming calcium hydroxide and hydrogen, but the action does not evolve sufficient heat to melt the metal. An Elementary Study of Chemistry Calculate the hydrogen ion concentration and the hydroxide ion concentration in wine from its pH. Chemistry 2019-02-14T00:00:00Z The ferrous solution, used for reducing the silver citrate, had been brought to exact neutrality with sodium hydroxide. Scientific American Supplement, No. 711, August 17, 1889 From the filtrate alkalies throw down zirconium hydroxide, free from iron. Scientific American Supplement, No. 441, June 14, 1884. It is then returned to the hydroxide for continuation of the process. The Science of Fingerprints Classification and Uses Lime exposed to air is therefore gradually converted into hydroxide and carbonate, and will no longer slake with water. An Elementary Study of Chemistry Are the concentrations of hydronium ion and hydroxide ion in a solution of an acid or a base in water directly proportional or inversely proportional? Chemistry 2019-02-14T00:00:00Z Decomposing water by sodium, only one-half of the hydrogen contained is eliminated, the other half, together with all of the oxygen, uniting with the metal to form sodium hydroxide, H2O + Na = H + NaHO. Scientific American Supplement No. 822, October 3, 1891 Obtain the ratio of the sodium hydroxide solution to that of hydrochloric acid by dividing the number of cubic centimeters of acid used by the number of cubic centimeters of alkali required for neutralization. An Introductory Course of Quantitative Chemical Analysis With Explanatory Notes This process of alternating from solution to water, scraping, and replacing in hydroxide is continued until desirable results are obtained. The Science of Fingerprints Classification and Uses It is used in the preparation of ammonia, bleaching powder, and potassium hydroxide. An Elementary Study of Chemistry The remaining elements of the group are metals, but their oxides and hydroxides change characters. Chemistry 2019-02-14T00:00:00Z Aqueous alcohol becomes turbid when mixed with benzene, carbon disulphide or paraffin oil; when added to a solution of barium oxide in absolute alcohol, a white precipitate of barium hydroxide is formed. The Project Gutenberg Encyclopedia Volume 1 of 28 If made by the ammonia process it may contain also sodium chloride, sulphate, and hydroxide; when made by the Le Blanc process it may contain sodium sulphide, silicate, and aluminate, and other impurities. An Introductory Course of Quantitative Chemical Analysis With Explanatory Notes See Intensity, specific Speed of reactions between carbide, water, and calcium hydroxide, of purification, Spent lime. Acetylene, the Principles of Its Generation and Use A Practical Handbook on the Production, Purification, and Subsequent Treatment of Acetylene for the Development of Light, Heat, and Power Write equations to represent the reactions involved in the preparation of strontium hydroxide and strontium nitrate from strontianite. An Elementary Study of Chemistry Indium and thallium oxides and hydroxides exhibit only basic behavior, in accordance with the clearly metallic character of these two elements. Chemistry 2019-02-14T00:00:00Z Traces of ethyl alcohol in solutions are detected and estimated by oxidation to acetaldehyde, or by conversion into iodoform by warming with iodine and potassium hydroxide. The Project Gutenberg Encyclopedia Volume 1 of 28 Preference is here given to iron crucibles, because the resulting ferric hydroxide is more readily brought into solution than the nickelic oxide from a nickel crucible. An Introductory Course of Quantitative Chemical Analysis With Explanatory Notes Since both calcium oxide and hydroxide are white substances, it was thought that a brownish, greyish, or blackish residue must necessarily point to incipient polymerisation of the gas. Acetylene, the Principles of Its Generation and Use A Practical Handbook on the Production, Purification, and Subsequent Treatment of Acetylene for the Development of Light, Heat, and Power This is a black insoluble substance obtained by heating copper in excess of air, or by igniting the hydroxide or nitrate. An Elementary Study of Chemistry Water vapor reacts with sodium metal to produce solid sodium hydroxide and hydrogen gas. Chemistry 2019-02-14T00:00:00Z "Puratylene," a mixture of bleaching powder and hydroxide of lime, made very porous, and containing from eighteen to twenty per cent of active chlorine. Oxy-Acetylene Welding and Cutting Electric, Forge and Thermit Welding together with related methods and materials used in metal working and the oxygen process for removal of carbon Litmus can be employed successfully with the strong acids and bases, and also with ammonium hydroxide, although the salts of the latter influence the indicator unfavorably if present in considerable concentration. An Introductory Course of Quantitative Chemical Analysis With Explanatory Notes After-generation is possible between calcium carbide and mechanically damp slaked lime, between carbide and damp gas, or between carbide and calcium hydroxide, as opportunity shall serve. Acetylene, the Principles of Its Generation and Use A Practical Handbook on the Production, Purification, and Subsequent Treatment of Acetylene for the Development of Light, Heat, and Power Write equations for the preparation of potassium hydroxide by three different methods. An Elementary Study of Chemistry The second step is the formation of solid calcium hydroxide as the only product from the reaction of the solid calcium oxide with liquid water. Chemistry 2019-02-14T00:00:00Z Solution is made as follows: Prepare a solution of Rochelle salts,—175 grams of Rochelle salts, 50 grams of sodium hydroxide, and 250 cubic centimeters of water. School and Home Cooking Dissolve the hydroxide in water in a beaker. An Introductory Course of Quantitative Chemical Analysis With Explanatory Notes In other words, as the temperature rises, the heat of hydration of calcium oxide diminishes, and calcium hydroxide becomes constantly a less stable material. Acetylene, the Principles of Its Generation and Use A Practical Handbook on the Production, Purification, and Subsequent Treatment of Acetylene for the Development of Light, Heat, and Power Write the equations showing how ammonium chloride, ammonium sulphate, ammonium carbonate, and ammonium nitrate may be prepared from ammonium hydroxide. An Elementary Study of Chemistry The solid magnesium hydroxide is added to a hydrochloric acid solution, producing dissolved magnesium chloride and liquid water. Chemistry 2019-02-14T00:00:00Z Did he obtain air using chemical methods, releasing the oxygen contained in potassium chlorate by heating it, meanwhile absorbing the carbon dioxide with potassium hydroxide? Twenty Thousand Leagues Under the Sea This bottle should preferably have a rubber stopper, as the hydroxide solution attacks the glass of the ground joint of a glass stopper, and may cement the stopper to the bottle. An Introductory Course of Quantitative Chemical Analysis With Explanatory Notes Calcium hydroxide and water are both exothermic substances, absorbing heat when they are decomposed, liberating it when they are formed. Acetylene, the Principles of Its Generation and Use A Practical Handbook on the Production, Purification, and Subsequent Treatment of Acetylene for the Development of Light, Heat, and Power They decompose water at ordinary temperatures, forming hydroxides and liberating hydrogen. An Elementary Study of Chemistry It is prepared by the reaction of acetic acid with calcium hydroxide. Chemistry 2019-02-14T00:00:00Z To absorb it, we would need to fill containers with potassium hydroxide and shake them continually. Twenty Thousand Leagues Under the Sea Carry out the same procedure with a second burette, using the sodium hydroxide solution. An Introductory Course of Quantitative Chemical Analysis With Explanatory Notes The recovered benzyl alcohol can be used for the preparation of a second lot of benzyl benzoate only after it has been boiled with strong sodium hydroxide to remove all traces of benzaldehyde. Organic Syntheses The hydroxide formed in this way is very slightly soluble in water, but enough dissolves to give the water an alkaline reaction. An Elementary Study of Chemistry Potatoes can be peeled commercially by soaking them in a 3-M to 6-M solution of sodium hydroxide, then removing the loosened skins by spraying them with water. Chemistry 2019-02-14T00:00:00Z Most metal hydroxide colloids have positive charges, whereas most metals and metal sulfides form negatively charged dispersions. Chemistry 2019-02-14T00:00:00Z From the data obtained, calculate the volume of the hydrochloric acid solution which is equivalent to the volume of sodium hydroxide solution used in this titration. An Introductory Course of Quantitative Chemical Analysis With Explanatory Notes The rest of the aldehyde is now precipitated by means of more sodium hydroxide solution, and comes down almost white. Organic Syntheses Magnesium hydroxide is therefore a fairly strong base. An Elementary Study of Chemistry When animal fats are treated with a base like potassium carbonate or sodium hydroxide, glycerol and salts of fatty acids such as palmitic, oleic, and stearic acid are formed. Chemistry 2019-02-14T00:00:00Z In the forward direction, water acts as an acid by donating a proton to ammonia and subsequently becoming a hydroxide ion, OH−, the conjugate base of water. Chemistry 2019-02-14T00:00:00Z Dissolve each of these in 10 cc. of sodium hydroxide solution, with stirring. An Introductory Course of Quantitative Chemical Analysis With Explanatory Notes In purifying the aldehyde, sodium carbonate may be used in place of sodium hydroxide for precipitation, but it causes much foaming. Organic Syntheses A paste of magnesium hydroxide and water slowly absorbs carbon dioxide from the air and becomes very hard. An Elementary Study of Chemistry Adding a common ion, Mg2+, will increase the concentration of this ion and shift the solubility equilibrium to the left, decreasing the concentration of hydroxide ion and increasing the amount of undissolved magnesium hydroxide. Chemistry 2019-02-14T00:00:00Z What are the concentrations of hydronium and hydroxide ions in pure water at 80 °C? Chemistry 2019-02-14T00:00:00Z Amorphous substances, such as ferric hydroxide, aluminium hydroxide, or silicic acid, separate in a gelatinous form and are relatively difficult to filter and wash. An Introductory Course of Quantitative Chemical Analysis With Explanatory Notes This is shaken with sodium hydroxide solution until no more odor of sulfur dioxide is noticeable, then washed twice with water and distilled. Organic Syntheses When water is added the two compounds react together, forming aluminium carbonate, which hydrolyzes into aluminium hydroxide and carbonic acid. An Elementary Study of Chemistry Adding a common ion, OH–, will increase the concentration of this ion and shift the solubility equilibrium to the left, decreasing the concentration of magnesium ion and increasing the amount of undissolved magnesium hydroxide. Chemistry 2019-02-14T00:00:00Z Species listed between water and its conjugate base, hydroxide ion, are weak bases that partially ionize. Chemistry 2019-02-14T00:00:00Z Heat the solution to boiling, and allow the precipitated ferric hydroxide to settle. An Introductory Course of Quantitative Chemical Analysis With Explanatory Notes The watery mother liquors from the crude methyl red are rendered alkaline with sodium hydroxide and distilled until no more dimethylaniline passes over. Organic Syntheses What hydroxides other than aluminium hydroxide have both acid and basic properties? An Elementary Study of Chemistry Using this information, calculate the standard free energy change for the aqueous reaction of hydrogen ion with hydroxide ion to produce water. Chemistry 2019-02-14T00:00:00Z Alkali metal oxides result from the oxidation-reduction reactions created by heating nitrates or hydroxides with the metals. Chemistry 2019-02-14T00:00:00Z Fold the top of the filter paper over the moist precipitate of ferric hydroxide and transfer it cautiously to the crucible. An Introductory Course of Quantitative Chemical Analysis With Explanatory Notes It is then dissolved in 5 per cent sodium hydroxide solution, filtered from any chromium hydroxide remaining, and also from unchanged nitrotoluene. Organic Syntheses Account for the fact that a solution of sodium carbonate, when added to a solution of a ferric salt, precipitates an hydroxide and not a carbonate. An Elementary Study of Chemistry Why don’t hydroxide ions appear in equations for half-reactions occurring in acidic solution? Chemistry 2019-02-14T00:00:00Z Calcium oxide and calcium hydroxide are inexpensive bases used extensively in chemical processing, Chemistry 2019-02-14T00:00:00Z The heat from the burner is thus reflected into the crucible and dries the precipitate without danger of loss as the result of a sudden generation of steam within the mass of ferric hydroxide. An Introductory Course of Quantitative Chemical Analysis With Explanatory Notes Procedure IN a 12-l. round-bottom flask fitted with a mechanical stirrer are placed 500 g. of technical b-naphthol dissolved in a warm solution of 140 g. of sodium hydroxide in 6 l. of water. Organic Syntheses The hydroxide occurs in nature as the mineral hydrargyllite, and in a partially dehydrated form called bauxite. An Elementary Study of Chemistry The oxides and hydroxides of aluminum and gallium exhibit both acidic and basic behaviors. Chemistry 2019-02-14T00:00:00Z It is possible to prepare calcium hydroxide by the familiar acid-base reaction of a soluble metal oxide with water: Chemistry 2019-02-14T00:00:00Z When first precipitated the hydroxides are all readily soluble in acids, but aluminium hydroxide dissolves with considerable difficulty after standing or boiling for some time. An Introductory Course of Quantitative Chemical Analysis With Explanatory Notes Pyrex distilling flask are placed 150 g. of potassium hydroxide. Organic Syntheses It can be prepared by adding ammonium hydroxide to any soluble aluminium salt, forming a semi-transparent precipitate which is insoluble in water but very hard to filter. An Elementary Study of Chemistry Aluminum occurs abundantly in many types of clay and in bauxite, an impure aluminum oxide hydroxide. Chemistry 2019-02-14T00:00:00Z The commercial preparation involves the electrolysis of cold, dilute, aqueous sodium chloride solutions under conditions where the resulting chlorine and hydroxide ion can react. Chemistry 2019-02-14T00:00:00Z PROCEDURE.—To the filtrate from the insoluble residue add ammonium hydroxide until the solution just smells distinctly of ammonia, but do not add an excess. An Introductory Course of Quantitative Chemical Analysis With Explanatory Notes The upper layer is separated and dried with solid potassium hydroxide. Organic Syntheses This substance, the formula of which is frequently written HAlO2, is a more pronounced acid than is the hydroxide, and its salts are frequently formed when aluminium compounds are fused with alkalis. An Elementary Study of Chemistry Borates result from the reactions of a base with an oxyacid or from the fusion of boric acid or boric oxide with a metal oxide or hydroxide. Chemistry 2019-02-14T00:00:00Z Write the equations for the reactions between sodium hydroxide and bromine; between potassium hydroxide and iodine. An Elementary Study of Chemistry If the smell of ammonia has disappeared, again add ammonium hydroxide in slight excess, and 3 cc. of bromine water, and heat again for a few minutes. An Introductory Course of Quantitative Chemical Analysis With Explanatory Notes Notes Toward the end of the reaction, a crust of potassium bromide may tend to cover the melted potassium hydroxide. Organic Syntheses The hydroxides of tin and free stannic acid, which are easily liberated from these compounds, possess in very marked degree the power of fixing dyes upon fibers, as explained under aluminium. An Elementary Study of Chemistry Hydrogen carbonate ions act as acids and react with solutions of soluble hydroxides to form a carbonate and water: Chemistry 2019-02-14T00:00:00Z Such waters are softened on a commercial scale by the addition of the proper quantities of calcium hydroxide and sodium carbonate. An Elementary Study of Chemistry Wash the filter five times with hot water, add to the filtrate ammonium hydroxide and bromine water as described above, and repeat the precipitation. An Introductory Course of Quantitative Chemical Analysis With Explanatory Notes Apparently this is because it facilitates the solution of bromostyrene in the tarry by-products and thus causes it to polymerize instead of reacting with the potassium hydroxide. Organic Syntheses Water forms an appreciable number of hydrogen and hydroxyl ions, and very weak bases such as bismuth hydroxide are dissociated to but a very slight extent. An Elementary Study of Chemistry The hydrofluoric acid solution was titrated, and 68.43 mL of 0.3172 M sodium hydroxide was required to reach the equivalence point. Chemistry 2019-02-14T00:00:00Z The quantity of calcium hydroxide and sodium carbonate required is calculated from a chemical analysis of the water. An Elementary Study of Chemistry Collect the precipitate on the filter already used, wash it free from chlorides with hot water, and ignite and weigh as described for ferric hydroxide on page 110. An Introductory Course of Quantitative Chemical Analysis With Explanatory Notes In the meantime, a sodium sulfite solution is prepared by dissolving 890 g. of sodium hydroxide, of about 90 per cent purity, in about 1 l. of water and then diluting to 6 l. Organic Syntheses The greater the dilution the more hydroxide precipitates. An Elementary Study of Chemistry In this and many other cases, these precipitates are hydroxides containing the transition metal ion, hydroxide ions, and water coordinated to the transition metal. Chemistry 2019-02-14T00:00:00Z Their hydroxides are practically insoluble in water and are very weak bases; indeed, the bases are so weak that their salts are often hydrolyzed into free base and free acid in solution. An Elementary Study of Chemistry If the flocculent character was occasioned by the presence of magnesium hydroxide, the second precipitation, in a smaller volume containing fewer salts, will often result more favorably. An Introductory Course of Quantitative Chemical Analysis With Explanatory Notes The free base is liberated by adding to the phenylhydrazine hydrochloride 1 l. of a 25 per cent solution of sodium hydroxide. Organic Syntheses In 1807 Sir Humphry Davy succeeded in preparing very small quantities of metallic sodium by the electrolysis of the fused hydroxide. An Elementary Study of Chemistry Unlike the acid compounds discussed previously, these compounds do not react chemically with water; instead they dissolve and dissociate, releasing hydroxide ions directly into the solution. Chemistry 2019-02-14T00:00:00Z If the fiber is now dipped into a solution of the dye, the aluminium hydroxide combines with the color material and fastens, or "fixes," it upon the fiber. An Elementary Study of Chemistry This is designed to retain any moisture from the hydroxide solution. An Introductory Course of Quantitative Chemical Analysis With Explanatory Notes The combined extractions are well dried with 200 g. of solid sodium hydroxide, poured off, and distilled. Organic Syntheses This salt, as has just been explained, can be made by the action of chlorine on strong potassium hydroxide solutions. An Elementary Study of Chemistry This is also true for any other ionic compound containing hydroxide ions. Chemistry 2019-02-14T00:00:00Z Supposing bauxite to be 90% aluminium hydroxide, what weight of it is necessary for the preparation of 100 kg. of aluminium? An Elementary Study of Chemistry After the potassium hydroxide is approximately half consumed in the first bulb of the absorption apparatus, potassium bicarbonate is formed, and as it is much less soluble than the carbonate, it often precipitates. An Introductory Course of Quantitative Chemical Analysis With Explanatory Notes Great care must be taken in determining the end point in the neutralization of the sodium hydroxide by the sulfur dioxide. Organic Syntheses By referring to the reaction between chlorine and hot concentrated solutions of potassium hydroxide, it will be seen that only one molecule of potassium chlorate is formed from six molecules of potassium hydroxide. An Elementary Study of Chemistry Since the dissociation process is essentially complete when ionic compounds dissolve in water under typical conditions, NaOH and other ionic hydroxides are all classified as strong bases. Chemistry 2019-02-14T00:00:00Z When solutions of ferric salts are treated with ammonium hydroxide, ferric hydroxide is formed as a rusty-red precipitate, insoluble in water. An Elementary Study of Chemistry How many grams of pure potassium hydroxide are required for exactly 1 liter of normal alkali solution? An Introductory Course of Quantitative Chemical Analysis With Explanatory Notes The current of steam is then interrupted, the receiver is changed, and 1500 g. of 40 per cent sodium hydroxide solution are added cautiously through the steam inlet. Organic Syntheses As explained in a previous chapter, when ammonia is passed into water the two compounds combine to form the base NH4OH, known as ammonium hydroxide. An Elementary Study of Chemistry The hydroxide ions generated in this equilibrium then go on to react with the hydronium ions from the stomach acid, so that: Chemistry 2019-02-14T00:00:00Z Write the equations showing how each of the following compounds of iron could be obtained from the metal itself: ferrous chloride, ferrous hydroxide, ferrous sulphate, ferrous sulphide, ferrous carbonate, ferric chloride, ferric sulphate, ferric hydroxide. An Elementary Study of Chemistry One gram of crude ammonium salt is treated with strong potassium hydroxide solution. An Introductory Course of Quantitative Chemical Analysis With Explanatory Notes The steam is shut off, and 250 cc. of 12 N. sodium hydroxide solution is added. Organic Syntheses This substance is obtained by neutralizing ammonium hydroxide with hydrochloric acid. An Elementary Study of Chemistry Thus, each individual colloidal particle bears a positive charge, and the colloidal dispersion consists of charged colloidal particles and some free hydroxide ions, which keep the dispersion electrically neutral. Chemistry 2019-02-14T00:00:00Z Pure calcium hydroxide is a light white powder. An Elementary Study of Chemistry A sample of sodium carbonate containing sodium hydroxide weighs 1.179 grams. An Introductory Course of Quantitative Chemical Analysis With Explanatory Notes While aluminium hydroxide forms fairly stable salts with strong acids, it is such a weak base that its salts with weak acids are readily hydrolyzed. An Elementary Study of Chemistry What would take place if a bit of potassium hydroxide were left exposed to the air? An Elementary Study of Chemistry When the fats are heated with sodium hydroxide the sodium salts of these acids are formed. An Elementary Study of Chemistry It combines with water to form magnesium hydroxide, but much more slowly and with the production of much less heat than in the case of calcium oxide. An Elementary Study of Chemistry A one-gram sample of sodium hydroxide which has been exposed to the air for some time, is dissolved in water and diluted to exactly 500 cc. An Introductory Course of Quantitative Chemical Analysis With Explanatory Notes The sodium hydroxide in tube C prevents the carbon dioxide in the air from acting on the limewater. An Elementary Study of Chemistry |
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