| 单词 | potassium nitrate |
| 例句 | “Black powder. It contains potassium nitrate—saltpeter, you know—and charcoal and sulfur.” October Sky 1999-04-01T00:00:00Z It was the same experience we’d had with black powder and then again with potassium nitrate and sugar. October Sky 1999-04-01T00:00:00Z “You see that there powder? That’s pure T-N-T. Mix that with a little potassium nitrate, sulfur, and charcoal and you got the beginnings of a first-class shell.” Moon Over Manifest 2010-10-12T00:00:00Z He could tell just from picking up a toothpaste tube whether it contained potassium nitrate. The House of Hades 2013-10-08T00:00:00Z A large amount of potassium nitrate in the gunpowder propels the firework into the air once its fuse is lit, Santore said, thanks to what is known as a “lift charge.” Fireworks are over in minutes, but July Fourth show taps centuries of science and art 2017-06-30T04:00:00Z It's an old, chemical stunt – you just have to fire some potassium nitrate to a certain height, a yellow powder dissolved in nitric acid and alkalis. The Birthday Party and the Airman by ?ukasz D?bski, translated by Antonia Lloyd-Jones 2011-04-08T10:22:00Z Sometime between 600 and 900 CE, a mix of potassium nitrate, sulfur, and charcoal — saltpeter, or rudimentary gunpowder — was poured into bamboo or paper tubes. 9 fascinating facts about fireworks 2021-07-13T04:00:00Z To keep it from melting, the ice was treated with potassium nitrate, otherwise known as saltpetre. The icy backstory to that "clink clink" you’ll hear when raising a toast to the end of 2020 2020-12-31T05:00:00Z Among the materials found inside a vehicle on the property were 74 pounds of potassium nitrate, 15 pounds of aluminum powder, six pounds of magnesium and about 12 pounds of homemade aerial shells. Explosive materials in New Jersey home caused blast that killed 2 men, 2 children, officials say 2023-08-15T04:00:00Z For example, potassium nitrate, KNO3, contains the K+ cation and the polyatomic anion. Chemistry 2019-02-14T00:00:00Z Black powder, first formulated in China more than a millennium ago, is a mixture of sulphur, carbon and potassium nitrate. Pentagon invests in last surviving U.S. black powder factory 2022-08-11T04:00:00Z Then, around 800 B.C., an alchemist allegedly mixed sulfur, charcoal, and potassium nitrate in a search for eternal life— instead, the mixture led to gunpowder. We asked experts how they make fireworks that explode into shapes 2022-07-02T04:00:00Z The man was injured while turning potassium nitrate into pellets, Doles said. Worker burned in flash fire at Georgia pyrotechnic plant 2020-06-18T04:00:00Z In total, police said they found 28 containers of gasoline, sulfur power and potassium nitrate inside the building. Santa Hitler mug, Nazi memorabilia found in condo of Florida man who planned to kill Jews 2019-01-18T05:00:00Z Gunpowder is a mixture of potassium nitrate, sulfur, and charcoal. Chemistry 2019-02-14T00:00:00Z There were sacks of explosive precursors, including potassium chloride, red iron oxide and potassium nitrate. An Atomwaffen member sketched a map to take neo-Nazis down. What path officials took is a mystery 2018-11-26T05:00:00Z ESSEN, Germany — The package ordered online arrived at his second-floor apartment on a brisk Saturday morning, a cardboard box packed with magnesium, potassium nitrate and aluminum powder for a homemade bomb. They’re young and lonely. The Islamic State thinks they’ll make perfect terrorists. 2017-02-11T05:00:00Z North America had not yet become a source for significant exports, so from these Muslim lands England hoped to gain sugar, spices, silk, cotton and even potassium nitrate to make gunpowder. England’s eye-opening foray into the Muslim world in the 16th century 2016-10-13T04:00:00Z The company was storing at least 2,500 tons of hazardous chemicals at the warehouse when it caught fire, including 700 tons of sodium cyanide, as well as ammonium nitrate and potassium nitrate. Blast at Chemical Site Jangles Frayed Nerves 2015-08-22T04:00:00Z There were 1,300 tonnes of potentially explosive oxidizing chemicals, including ammonium nitrate and potassium nitrate, 500 tonnes of flammables, including sodium and magnesium, and 700 tonnes of deadly poisons, mainly sodium cyanide. Cyanide in waters near China blast site 277 times acceptable level: government report 2015-08-20T04:00:00Z A variety of toxic substances were believed to be stored at the site including potassium nitrate, ammonium nitrate, calcium carbide and sodium cyanide. New fires at site of massive Chinese blasts; officials order evacuations 2015-08-15T04:00:00Z Mr Pang says that, going by the magnitude of the blasts, the explosions were caused by chemicals such as potassium nitrate igniting. China explosions: Potent chemical mix behind Tianjin blasts - BBC News 2015-08-14T04:00:00Z Local police said the warehouse was being used to store ammonium nitrate, potassium nitrate and calcium carbide at the time of the blasts. Searching Questions Asked in Tianjin Aftermath 2015-08-14T04:00:00Z It was storing mainly ammonium nitrate, potassium nitrate and calcium carbide at the time of the blasts, according to the police. China investigates cause of blasts at Tianjin port, firms assess damage 2015-08-13T04:00:00Z They contain nasty substances like potassium nitrate, white phosphorus, barium chlorate and arsenic, so keep the poison control number handy. Recent editorials published in Nebraska newspapers 2014-06-30T04:00:00Z Police say they found a pipe bomb, other materials and quantities of highly combustible potassium nitrate and aluminum powder. Authorities torch explosive-filled home 2014-06-28T04:00:00Z Water damage had caused a white potassium nitrate scale, which was treated with linseed and walnut oil. Modern Chemistry Techniques Save Ancient Art 2014-06-28T04:00:00Z Police said they found a homemade pipe bomb in Clarke's posession, which he told them he made with potassium nitrate and aluminum powder. Bomb-making suspect pleads not guilty; police to burn mobile home 2014-06-26T04:00:00Z Police say they arrested the man - who appeared to be high on drugs - and found a bomb, other materials and quantities of potassium nitrate and aluminum powder. S. California police to burn explosive-filled home 2014-06-26T04:00:00Z He is accused of possessing potassium nitrate, sulphur and charcoal, making and testing improvised explosive devices, and creating spreadsheets reflecting prices and stockists of the chemicals required. Man denies plot to blow up mosques 2014-01-14T19:36:12Z Reed ordered sulfur powder, red iron oxide, potassium perchlorate, magnesium ribbons, potassium nitrate powder and other materials, prosecutors said. Ex-paramedic in Texas fertilizer blast sentenced in unrelated case 2013-12-04T22:58:46Z Federal prosecutors said Reed purchased sulfur powder, red iron oxide, potassium perchlorate, magnesium ribbons, ammonium, perchiorate, charcoal air float and potassium nitrate powder. Ex-paramedic in Texas fertilizer blast pleads guilty to conspiracy 2013-10-10T23:11:14Z The longest section is a fuel cell containing a mix of potassium nitrate and sugar. Starved for Arms, Syria Rebels Make Their Own 2013-06-13T01:54:17Z The parts included a hollow hand grenade, a hobby fuse, aluminum powder, potassium nitrate and sulfur. Uzbek Man in Boise Is Charged in Bomb Plot 2013-05-17T00:52:24Z Invented in China as early as the 7th century, black powder is a mixture of charcoal, sulfur, and potassium nitrate. Device Sniffs Out Black Powder Explosives 2013-05-03T18:35:00Z Sacks of potassium nitrate and sugar lie nearby. Desperate for weapons, Syrian rebels make their own, fix tanks 2012-12-31T15:35:47Z The potassium nitrate found in some products for sensitive teeth was once used as an asthma treatment. People's Pharmacy: What's the best way to take aspirin for a heart attack? 2012-10-24T18:20:05Z Among the materials found, he said, were bags of potassium nitrate, sulfur, saltpeter, pressure cookers and headlight bulbs, “all products or instruments useful in the making of what we call improvised explosives,” the statement said. French Terror Investigators Find Bomb-Making Materials 2012-10-10T10:39:28Z The materials found in Torcy overnight included potassium nitrate, sulphur, saltpetre, a handgun and a shotgun, Mr Molins told journalists on Wednesday. Paris police 'find bomb material' 2012-10-10T08:28:33Z Her eyes were fixed on a silvery round box, packed with vertically placed rolled-up paper tubes filled with a mixture of aluminium powder, potassium nitrate and sulphur, and tipped with mud. Sivakasi: India's dangerous fireworks capital 2012-09-22T23:41:20Z Wheat plants with their roots in a 15 per cent. solution of potassium nitrate bore no root-hairs, but they were numerous in a 2 per cent. solution of the same salt. Disease in Plants 2012-03-01T03:00:22Z A similar case is presented by artificial crystals of silver nitrate and potassium nitrate. Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 7 "Crocoite" to "Cuba" 2012-01-22T03:00:24.397Z The chosen type of salt was a combination of sodium nitrate and potassium nitrate, which retains 99% of the heat for up to 24 hours. Baseload (24/7) Solar: A Brief History and Bright Future of a Game-Changing Innovation 2011-07-05T13:48:59Z Propellants for Rifled Fire-arms Amide Powder: ammonium nitrate, potassium nitrate, charcoal. The New Gresham Encyclopedia Volume 4, Part 3: Estremoz to Felspar 2011-04-14T02:00:59.373Z Let us consider the arrangement—silver | silver chloride with potassium chloride solution | potassium nitrate solution | silver nitrate solution | silver. Encyclopaedia Britannica, 11th Edition, Volume 9, Slice 2 "Ehud" to "Electroscope" 2011-01-29T03:00:23.777Z Apart from its own produce, the JV will distribute Migao's export of potassium nitrate and SQM's import to China, one of the world's biggest potash importers. UPDATE 2-Migao-SQM fertilizer JV in China starts production 2011-01-19T14:44:06Z Chromates.—The alkaline chromates are usually obtained by fusion of a chromium compound with an alkaline carbonate and an oxidizing agent, such for example as potassium nitrate or chlorate. Encyclopaedia Britannica, 11th Edition, Volume 3, Slice 7 "Bible" to "Bisectrix" 2010-12-20T17:12:05.780Z The active ingredient is potassium nitrate, a compound that was used to treat asthma and arthritis a century ago. People's Pharmacy: Germs with your restaurant-water lemon wedge? 2010-11-14T05:01:00Z Gelatine Dynamite: a mixture of blasting gelatine with potassium nitrate and wood-meal. The New Gresham Encyclopedia Volume 4, Part 3: Estremoz to Felspar 2011-04-14T02:00:59.373Z This toothpaste contains potassium nitrate, which was an ingredient in asthma relievers in the days when the pharmacist used to compound medicines. People's Pharmacy answers letters about asthma and Vitamin D 2010-05-05T22:23:00Z We cover a perfectly horizontal glass plate with a semi-saturated solution of potassium nitrate to represent the cytoplasm of the cell. The Mechanism of Life The material generally employed is cotton yarn, plaited or “braided” by machinery, and treated or “pickled” with a solution of boracic acid, ammonium or potassium nitrate, or other salt. Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 2 "Camorra" to "Cape Colony" Certain substances are insoluble in all these reagents, and other methods, such as the fusion with sodium carbonate and potassium nitrate, and subsequent treatment with an acid, must be employed. Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 1 "Châtelet" to "Chicago" In the United States powder for blasting contains sodium nitrate instead of potassium nitrate. The New Gresham Encyclopedia Volume 4, Part 3: Estremoz to Felspar 2011-04-14T02:00:59.373Z In this case one-half ounce doses of potassium nitrate or bicarbonate may be given three times a day. Special Report on Diseases of Cattle Almost the single source of mineral nitrates for the world at present is Chile, where there are deposits of sodium nitrate or Chile saltpeter, containing minor amounts of potassium nitrate. The Economic Aspect of Geology Weigh out and mix wheat flour, 150 grammes; magnesium sulphate, 0.5 gramme; potassium nitrate, 1 gramme; glucose, 15 grammes. The Elements of Bacteriological Technique A Laboratory Guide for Medical, Dental, and Technical Students. Second Edition Rewritten and Enlarged. Vitriol is copper or iron sulfate, saltpeter is potassium nitrate, and alum is an aluminum sulfate salt. Rembrandt's Etching Technique: An Example Favier Explosives: mixtures in varying proportions containing ammonium nitrate, nitronaphthalene, paraffin, and resin; higher nitrated naphthalenes, potassium nitrate, and tetryl may be present. The New Gresham Encyclopedia Volume 4, Part 3: Estremoz to Felspar 2011-04-14T02:00:59.373Z In 3000 parts of boiling water dissolve 100 of alum, 25 of sodium chloride, 12 of potassium nitrate, 60 of potassa, and 10 of arsenious acid, let cool and filter. Practical Taxidermy A manual of instruction to the amateur in collecting, preserving, and setting up natural history specimens of all kinds. To which is added a chapter upon the pictorial arrangement of museums. With additional instructions in modelling and artistic taxidermy. The most important mineral, the sodium nitrate or Chile saltpeter, is mingled with various other soluble salts, including common salt, borax minerals, and potassium nitrate, and with loose clay, sand, and gravel. The Economic Aspect of Geology One of the crystals that he thought was quartz turned out to be calcite, and one of the ones that he was sure could be nothing but calcite was actually potassium nitrate. All Day September Under these conditions the nitrogen in the organic matter is in part converted into potassium nitrate, which was obtained by extracting the mass with water and evaporating to crystallization. An Elementary Study of Chemistry A very excellent bath is made by mixing two parts by weight of crude potassium nitrate and three parts crude sodium nitrate. The Working of Steel Annealing, Heat Treating and Hardening of Carbon and Alloy Steel Altamont additionally looked at the flume, a rough structure of logs lined with sheet aluminum; and at the nitriary, a shed-roofed pit in which potassium nitrate was extracted from the community's animal refuse. The Return Altamont looked at the flume, a rough structure of logs lined with sheet aluminum, and at the nitriary, a shed-roofed pit in which potassium nitrate was extracted from the community's animal refuse. The Return Well, now," he said, "it's probably the largest natural crystal of potassium nitrate that anyone has ever seen. All Day September It is used in enormous quantities in the manufacture of sulphuric acid and potassium nitrate, and as a fertilizer. An Elementary Study of Chemistry A thin layer of a mixture of sulphur and potassium nitrate was placed between sheets of tin and copper foil, and allowed to stand, being kept constantly moist. Scientific American Supplement, No. 365, December 30, 1882 The barium and potassium nitrates supply the oxygen to the magnesium, which burns with a brilliant white flame. Artificial Light Its Influence upon Civilization All these explosives are made from nitric acid and this used to be made from nitrates such as potassium nitrate or saltpeter. Creative Chemistry Descriptive of Recent Achievements in the Chemical Industries The undissolved portion, which consists of wood-pulp, potassium nitrate, and other salts, is filtered off through a linen or paper filter, dried and weighed. Nitro-Explosives: A Practical Treatise On cooling, potassium nitrate crystallizes out, leaving small amounts of the other salts in solution. An Elementary Study of Chemistry Experiments on the action of moist potassium nitrate on pure tin led to no result, as no explosive body was formed. Scientific American Supplement, No. 365, December 30, 1882 Among the ingredients are barium nitrate, potassium perchlorate, powdered aluminum, powdered magnesium, potassium nitrate, and sulphur. Artificial Light Its Influence upon Civilization Suitable febrifuges are found in potassium nitrate, potassium chlorate, sodium sulphate, or magnesium sulphate, either of which or a mixture of two or more of them, the animal will readily take in his drinking-water. Diseases of the Horse's Foot The following is a common cap mixture:— 100 parts of fulminate of mercury and 50 parts of potassium nitrate, or 100 parts of fulminate and 60 parts of meal powder. Nitro-Explosives: A Practical Treatise What weight of potassium nitrate is necessary to furnish the same weight of acid? An Elementary Study of Chemistry He found that it contained small quantities of silica, iron phosphate, magnesium carbonate, calcium carbonate, calcium sulphate, potassium nitrate, potassium sulphate, sodium borate, sodium sulphate, and a considerable quantity of sodium chloride. Inca Land Explorations in the Highlands of Peru The potassium nitrate takes fire more readily than the barium nitrate, but it is more expensive than the latter. Artificial Light Its Influence upon Civilization Dr. Evans learned that during the four months preceding our interview this man had produced sufficient potassium nitrate to bring his sales up to $80, Mexican. Farmers of Forty Centuries; Or, Permanent Agriculture in China, Korea, and Japan The residue is fused with 40 grms. of KOH and 5 grms. of potassium nitrate, the mass dissolved in dilute acetic acid and filtered, and the sulphates precipitated in the usual way. Nitro-Explosives: A Practical Treatise By experiment it was found that a certain volume of water was saturated at 100° with 114 g. of potassium nitrate. An Elementary Study of Chemistry How could you distinguish between potassium chloride and potassium iodide? between sodium chloride and ammonium chloride? between sodium nitrate and potassium nitrate? An Elementary Study of Chemistry The forms known as gelatine dynamite differ from blasting gelatine in containing certain proportions of wood-pulp and potassium nitrate, &c. Nitro-Explosives: A Practical Treatise He leaches the soil removed, to recover the calcium nitrate, and then pours the leachings through plant ashes containing potassium carbonate, for the purpose of transforming the calcium nitrate into the potassium nitrate or saltpeter. Farmers of Forty Centuries; Or, Permanent Agriculture in China, Korea, and Japan The total combustion of gun-cotton by potassium nitrate corresponds to the equation:— Nitro-Explosives: A Practical Treatise When hot saturated solutions of sodium nitrate and potassium chloride are brought together, sodium chloride precipitates and can be filtered off, leaving potassium nitrate in solution, together with some sodium chloride. An Elementary Study of Chemistry If the acids are much weaker than this, or potassium nitrate and sulphuric acid is used, the lower nitrates will be formed. Nitro-Explosives: A Practical Treatise |
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