| 单词 | potassium chlorate |
| 例句 | “Potassium nitrate. KNO3. The same as potassium chlorate except it has a nitrogen atom instead of a chlorine one.” October Sky 1999-04-01T00:00:00Z “This is a mixture of potassium chlorate and sugar,” Miss Riley said. October Sky 1999-04-01T00:00:00Z “She won’t let us have the potassium chlorate. She said it was too dangerous.” October Sky 1999-04-01T00:00:00Z “Sorry, it’s all I’ve got. Anyway, potassium chlorate is unstable under heat and pressure. It's too dangerous for rocket fuel. What do your parents think about the BCMA?” October Sky 1999-04-01T00:00:00Z “That’s okay. Potassium nitrate has much the same property and exactly the same number of oxygen atoms as potassium chlorate. Mix saltpeter and sugar and we should get the same reaction we just saw.” October Sky 1999-04-01T00:00:00Z “Thank you, Quentin. This mixture of potassium chlorate and sugar will demonstrate rapid oxidation.” October Sky 1999-04-01T00:00:00Z After class, I went up to Miss Riley’s desk and pointed at the little sack of potassium chlorate. October Sky 1999-04-01T00:00:00Z The masks release chemicals like barium peroxide, sodium chlorate, and potassium chlorate. 6 common misconceptions about flying 2021-08-09T04:00:00Z His earliest photographs were posed to approximate reality or starkly caught their subjects by surprise in the flash of magnesium powder and potassium chlorate. Jacob Riis Photographs Still Revealing New York’s Other Half 2015-10-22T04:00:00Z Write the formulas of barium nitrate and potassium chlorate. Chemistry 2019-02-14T00:00:00Z What they found was a silvery substance, which the technicians later told investigators was “consistent with flash powder and aluminum powder and maybe potassium chlorate.” ‘Catastrophic failure’: How the LAPD blew up a neighborhood 2022-03-06T05:00:00Z The records showed he bought potassium chlorate, aluminum metal and other homemade bomb ingredients, purchases that continued after Wray’s death had made news, they said. Man arrested in connection with 2017 exploding package 2018-02-28T05:00:00Z Named after their creators, the Brock contained potassium chlorate, a flammable liquid, while the Buckingham was filled with phosphorous to act as an incendiary. Leefe Robinson: The man who shot down a Baby Killer - BBC News 2016-09-02T04:00:00Z These chemicals were mainly ammonium-nitrate fertilizer or potassium chlorate shipped from China for use in Pakistan’s match industry and then smuggled across the border. Brussels Bombers Dodged Chemical Curbs 2016-03-28T04:00:00Z The decomposition of solid potassium chlorate leads to the formation of solid potassium chloride and diatomic oxygen gas. Chemistry 2019-02-14T00:00:00Z At the house, a police team found materials commonly used for bomb-making, like sulfur, potassium chlorate and sodium bicarbonate; explosive devices; a machete and other knives; “jihadi books”; and training materials, Commander Khan said. Bangladesh Police Arrest 12 Men Suspected of Qaeda Ties 2015-07-02T04:00:00Z This catalog of explosive scents includes TNT, smokeless powder, potassium chlorate, C-4 plastic explosive, detonating cord, and ammonium nitrate. War Dogs: Canines of Many Talents 2014-10-20T04:00:00Z The raid on the warehouse followed the earlier arrest of two men found driving a truck containing 15 tonnes of potassium chlorate. Bomb chemicals found in Pakistan raid 2013-08-20T22:54:07Z During the catarrhal period cold compresses to the neck and sweetened milk containing potassium chlorate are used instead of the pilocarpine, which is to be resumed as soon as a whoop recurs. A System of Practical Medicine by American Authors, Vol. I Volume 1: Pathology and General Diseases 2012-03-17T02:00:54.097Z Solid potassium chlorate, KClO3, decomposes to form solid potassium chloride and diatomic oxygen gas. Chemistry 2019-02-14T00:00:00Z Patek and a friend he met in Pakistan in the early 1990s took three weeks to blend the explosive mixture of potassium chlorate, sulfur and aluminum powder used in the Bali attack, the indictment said. Terrorism Trial of Accused Bali Bombmaker Begins in Jakarta 2012-02-13T08:45:02Z White Gunpowder: a mixture of potassium chlorate, potassium ferrocyanide, and sugar. The New Gresham Encyclopedia Volume 4, Part 3: Estremoz to Felspar 2011-04-14T02:00:59.373Z Another mixture is 1.8 part aniline salt, 12 parts potassium ferrocyanide, 200 parts water, 3.5 parts potassium chlorate dissolved in water. Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 8 "Dubner" to "Dyeing" 2010-12-26T03:00:17.840Z Gargles of potassium chlorate, or potassium chlorate with sumac, exert a soothing influence upon the congested tonsils. A System of Practical Medicine by American Authors, Vol. I Volume 1: Pathology and General Diseases 2012-03-17T02:00:54.097Z Colorful fireworks often involve the decomposition of barium nitrate and potassium chlorate and the reaction of the metals magnesium, aluminum, and iron with oxygen. Chemistry 2019-02-14T00:00:00Z A saturated solution of potassium chlorate in strong nitric acid is added, and the mass evaporated to dryness. Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 7 "Arundel, Thomas" to "Athens" Bismuth tetroxide, Bi2O4, sometimes termed bismuth bismuthate, is obtained by melting bismuth trioxide with potash, or by igniting bismuth trioxide with potash and potassium chlorate. Encyclopaedia Britannica, 11th Edition, Volume 4, Slice 1 "Bisharin" to "Bohea" The effect of a small amount of manganese dioxide in aiding in the liberation of oxygen from potassium chlorate is an example which is familiar to all students of elementary chemistry. The Chemistry of Plant Life When gangrene supervenes the prognosis is almost hopeless, but an effort should be made to save the patient's life by the administration of potassium chlorate and of an increased amount of stimulus. A System of Practical Medicine by American Authors, Vol. I Volume 1: Pathology and General Diseases 2012-03-17T02:00:54.097Z Sodium chlorate is a weed killer; potassium chlorate is used as an oxidizing agent. Chemistry 2019-02-14T00:00:00Z During the process of fusion potassium chlorate is added, by which means the yield of alizarin is considerably increased. Coal and What We Get from It The priming is not only combustible but also a conductor of electricity, such as an intimate mixture of potassium chlorate with copper sulphide and phosphide. Encyclopaedia Britannica, 11th Edition, Volume 4, Slice 1 "Bisharin" to "Bohea" Chlorine peroxide was first obtained by Sir H. Davy in 1815 by the action of concentrated sulphuric acid on potassium chlorate. Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 3 "Chitral" to "Cincinnati" S. One teaspoonful every fourth hour to a child of three to five years, the potassium chlorate and iron mixture being administered twice between. A System of Practical Medicine by American Authors, Vol. I Volume 1: Pathology and General Diseases 2012-03-17T02:00:54.097Z Davy also described and partially investigated the gas, named by him “euchlorine,” obtained by heating potassium chlorate with hydrochloric acid; this gas has been more recently examined by Pebal. Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 1 "Châtelet" to "Chicago" Aniline black introduced; leading to a new use for potassium chlorate and copper salts, and to the manufacture of aniline salt. Coal and What We Get from It In general the majority of blood poisons, potassium chlorate, the derivatives of phenyl hydrazin, pyrodin, phenacetin call forth even in man a considerable increase of the leucocytes besides the destruction of the red blood corpuscles. Histology of the Blood Normal and Pathological In a test tube mix about one half teaspoonful each of white potassium chlorate crystals and black grains of manganese dioxid. Common Science Make two or three jars of oxygen, using potassium chlorate and manganese dioxide. Ontario Teachers' Manuals: Nature Study For many years it had been known that a mixture of potassium chlorate and hydrochloric or sulphuric acids possessed strong oxidizing powers. Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 1 "Châtelet" to "Chicago" A new application for caustic soda and potassium chlorate necessitated an increased production of these materials. Coal and What We Get from It To obtain more contrasts a little potassium chlorate may be added. Photographic Reproduction Processes Both manganese dioxid and potassium chlorate have a great deal of oxygen bound up in them. Common Science If they did, potassium chlorate would be a better depolarizer than manganese dioxide, instead of the other way around. With No Strings Attached Prepare concentrated solutions of 1¾ lb. aniline salt in 1 gallon water, 1½ lb. ferrocyanide of potash in ¾ gallons water and 1½ lb. potassium chlorate in 1½ gallons water. The Dyeing of Cotton Fabrics A Practical Handbook for the Dyer and Student The amount of oxygen obtained from a given weight of potassium chlorate is exactly the same whether the manganese dioxide is present or not. An Elementary Study of Chemistry The substitution of potassium chlorate for pyrolusite is recommended when calcium chloride is present in the bittern. Encyclopaedia Britannica, 11th Edition, Volume 4, Part 3 "Brescia" to "Bulgaria" A molecule of potassium chlorate is always composed of just one atom of potassium chloride and three atoms of oxygen. Evolution An Investigation and a Critique The residue of the material after digestion with hydrochloric acid and potassium chlorate may have to be examined for silver, lead, and barium. Aids to Forensic Medicine and Toxicology This shows the presence of free oxygen, the heat having caused the potassium chlorate to decompose. Physiology and Hygiene for Secondary Schools It is prepared either by heating a mixture of potassium chlorate and manganese dioxide, or by separating it from the nitrogen and other gases with which it is mixed in the atmosphere. An Elementary Study of Chemistry The socket holds a copper cylinder which is charged with 30 grains of the dried coal mixed with 300 grains of a mixture of 3 parts of potassium chlorate and 1 part of nitre. A Text-book of Assaying: For the Use of Those Connected with Mines. The various explosives, such as gunpowder, black blasting powder, potassium chlorate powders, nitro-glycerine powders, etc., are described, and their peculiarities and suitability for different purposes are set forth. Transactions of the American Society of Civil Engineers, vol. LXX, Dec. 1910 Federal Investigations of Mine Accidents, Structural Materials and Fuels. Paper No. 1171 Mix a small quantity of potassium chlorate with an equal amount of manganese dioxide and place the mixture in a strong test tube. General Science The storing of energy by chemical means may be illustrated by decomposing potassium chlorate with heat or by decomposing water by means of a current of electricity. Physiology and Hygiene for Secondary Schools A mixture consisting of one part of manganese dioxide and four parts of potassium chlorate is placed in the flask A and gently heated. An Elementary Study of Chemistry The paper is again put in the funnel and washed with water until free from potassium chlorate, dried and weighed. Nitro-Explosives: A Practical Treatise Phosphorus by weight, 2 parts; potassium chlorate, 5 parts; glue, 3 parts; red lead, 1-1/2 parts; water, 12 parts. Burroughs' Encyclopaedia of Astounding Facts and Useful Information, 1889 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 In his first case he tried a mixture of iron perchlorid and potassium chlorate three times a day on a woman who had borne three dead children, with a most successful result. Anomalies and Curiosities of Medicine 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 Romit consists of 100 parts ammonium nitrate and 7 parts potassium chlorate mixed with a solution of 1 part nitro- naphthalene and 2 parts rectified paraffin oil. Nitro-Explosives: A Practical Treatise Phosphorus by weight, 1/2 part; potassium chlorate, 4 parts; glue, 2 parts; whiting, 1 part; finely powdered glass, 4 parts; water, 11 parts. Burroughs' Encyclopaedia of Astounding Facts and Useful Information, 1889 It is withdrawn from the fire, and 15 grammes potassium chlorate are added, and then 20 c. c. of nitric acid at sp. gr. Scientific American Supplement, No. 401, September 8, 1883 Over fifty years ago, in a memoir on "Placental Phthisis," Sir James Y. Simpson advanced a new idea in the recommendation of potassium chlorate during the latter stages of pregnancy. Anomalies and Curiosities of Medicine It has been found, however, that if the potassium chlorate is mixed with about one fourth its weight of manganese dioxide, the oxygen is given off at a much lower temperature. An Elementary Study of Chemistry If heated slowly, it explodes at 152° C., or if heated rapidly, at 187° C. It is often used mixed with potassium chlorate in detonators. Nitro-Explosives: A Practical Treatise The following mixture may be given: potassium chlorate two ounces, salol one-half ounce, and powdered nux vomica one ounce. Common Diseases of Farm Animals Ignition was effected by the flame resulting when a pad of cotton-wool impregnated with benzoline or potassium chlorate was fired by an electrically heated wire. 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 He procured some powdered sulphur and potassium chlorate, and placing each in a separate wafer he swallowed both with the aid of water. Anomalies and Curiosities of Medicine The chief use of potassium chlorate is as an oxidizing agent in the manufacture of matches, fireworks, and explosives; it is also used in the preparation of oxygen and in medicine. An Elementary Study of Chemistry If the gums are sore and the teeth show a tendency to loosen, the best tooth-paste is one containing potassium chlorate. The Prospective Mother, a Handbook for Women During Pregnancy 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 By means of these reactions one can prepare potassium chloride, potassium hypochlorite, and potassium chlorate. An Elementary Study of Chemistry When a solution of silver nitrate is added to a solution of potassium chlorate no precipitate forms. An Elementary Study of Chemistry Partly because of this poor yield and partly because the potassium hydroxide is rather expensive, this process is not an economical one for the preparation of potassium chlorate. An Elementary Study of Chemistry |
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