| 单词 | potassium permanganate |
| 例句 | Remote-controlled aircraft drop spheres the size of ping-pong balls, filled with two compounds: potassium permanganate and glycol. Firefighting Robots Go Autonomous 2021-10-29T04:00:00Z At the same time, the cartels are dealing with global disruptions in the production and importation of precursor chemicals, such as potassium permanganate, that are used in clandestine labs to refine the recreational drug. The coronavirus has gutted the price of coca. It could reshape the cocaine trade. 2020-06-09T04:00:00Z That was the result of a disinfectant called potassium permanganate that leaked into the system, not algae, salt or aliens. A Lake Turned Pink in Australia. It’s Not the Only One 2017-03-10T05:00:00Z The company stores up to half a million pounds of reactive and toxic potassium permanganate. Hazardous chemicals post secret threat to Texas neighbors 2016-05-12T04:00:00Z He said the images showed a booby trap made from fishing line connecting the front door to a thermos of glycerin, sitting above a frying pan full of potassium permanganate, an explosive combination. Colorado movie massacre gunman booby-trapped home with bombs, trial hears 2015-05-05T04:00:00Z Axine’s approach is an alternative to the conventional use of chemicals such as ozone, hydrogen peroxide and potassium permanganate to neutralize the toxic compounds. The Rise of Green Tech To Clean Up Oil And Gas Wastes 2014-02-12T08:01:00Z Potash fusion converts it into acetic acid; nitric acid oxidizes it to acetic and oxalic acids; chromic acid mixture to acetaldehyde and acetic acid, and potassium permanganate to αβ-dioxybutyric acid. Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 7 "Crocoite" to "Cuba" 2012-01-22T03:00:24.397Z The use of poultices made by splitting open living chickens and the use of alcohol, potassium permanganate, strychnine, caffeine, or injection of ammonia have no known therapeutic value, and may cause serious complications. Natural History of Cottonmouth Moccasin, Agkistrodon piscovorus (Reptilia) 2011-12-17T03:00:17.963Z Table III shows chlorine to be approximately five times as active as potassium permanganate when compared on this basis. Chlorination of Water 2011-09-13T02:00:32.243Z It crystallizes in prisms, which melt at 175� C. Furazanecarboxylic acid is prepared by the action of a large excess of potassium permanganate on a hot solution of furazanepropionic acid. Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 3 "Frost" to "Fyzabad" 2011-08-15T02:00:28.473Z Twenty years ago our medical journals contained any number of cases in which a solution of potassium permanganate seemed to have proved effective in neutralizing not only opium itself but its alkaloids and derivatives. Psychotherapy 2011-06-19T02:00:20.053Z Chemical methods of sterilization have also been suggested, depending on the use of iodine, chlorine, bromine, ozone, potassium permanganate, copper sulphate or chloride and other substances. Encyclopaedia Britannica, 11th Edition, Volume 10, Slice 3 "Fenton, Edward" to "Finistere" 2011-03-14T03:01:00.580Z On oxidation with potassium permanganate it gives homovanillin, vanillin, &c.; with chromic acid in acetic acid solution it is converted into carbon dioxide and acetic acid, whilst nitric acid oxidizes it to oxalic acid. Encyclopaedia Britannica, 11th Edition, Volume 9, Slice 8 "Ethiopia" to "Evangelical Association" 2011-03-05T03:00:24.537Z The animal fibres are readily dyed by boiling with a solution of potassium permanganate, which, being at first absorbed by the fibre, is readily reduced to insoluble brown manganic hydrate. Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 8 "Dubner" to "Dyeing" 2010-12-26T03:00:17.840Z The end of the reaction when potassium permanganate is employed is known by the change in colour of the solution. Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 7 "Arundel, Thomas" to "Athens" The effect of alcohol in neutralizing carbolic acid attracted as much attention as did potassium permanganate for opium. Psychotherapy 2011-06-19T02:00:20.053Z Carbon bisulphide slowly oxidizes on exposure to air, but by the action of potassium permanganate or chromic acid it is readily oxidized to carbon dioxide and sulphuric acid. Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 3 "Capefigue" to "Carneades" The best method, however, of imitating the yellowish tone of old paper is to stain the inlay with potassium permanganate. Book Repair and Restoration The manganese dioxide may be replaced by various other substances, such as red lead, lead dioxide, potassium bichromate, and potassium permanganate. Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 3 "Chitral" to "Cincinnati" Two salts are in common use for this purpose, potassium permanganate and potassium bichromate. Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 7 "Arundel, Thomas" to "Athens" Numbers of cases were reported in which potassium permanganate was supposed to have had this desirable effect. Psychotherapy 2011-06-19T02:00:20.053Z Various substances other than potassium permanganate have been suggested for facilitating the operation; J.W. Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 1 "Châtelet" to "Chicago" While certain substances like tannic acid and potassium permanganate are the logical antidotes for plant poisons, in practical application they are very disappointing in the treatment of ruminant animals. Special Report on Diseases of Cattle If the liquid is still red or reddish, add hydrogen peroxid, 1 cc. at a time, until the excess of potassium permanganate is destroyed. All About Coffee Fill each flask with water to which some soap powder and a few crystals of potassium permanganate have been added, and let boil over the naked flame. The Elements of Bacteriological Technique A Laboratory Guide for Medical, Dental, and Technical Students. Second Edition Rewritten and Enlarged. A brown sepia is obtained by toning first with potassium permanganate, 1 per cent. of water, then, after washing, with a solution of pyrogallol. Photographic Reproduction Processes Where a solution is likely to change in composition on keeping, such as potassium permanganate, iodine, 64 sodium hydrate, &c., it is necessary to check or re-standardize it periodically. Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 1 "Châtelet" to "Chicago" A treatment which has been highly recommended consists in prompt and vigorous scarification at the site of puncture and rubbing crystals of potassium permanganate into the wound. Special Report on Diseases of the Horse In the presence of sulphuric acid, oxalic acid is oxidized by potassium permanganate according to the equation C2H2O4 + O = 2CO2 + H2O. An Elementary Study of Chemistry Of course, there are many antiseptic substances for washing wounds: potash and borax are good, especially in the form of potassium permanganate and boric acid. Pluck on the Long Trail Boy Scouts in the Rockies Potassium bichromate and sulphuric acid oxidize it to carbon dioxide and acetic acid, while alkaline potassium permanganate oxidizes it to carbon dioxide. Encyclopaedia Britannica, 11th Edition, Volume 4, Part 4 "Bulgaria" to "Calgary" Sulphur and phosphorus can sometimes be estimated by Messinger’s method, in which the oxidation is effected by potassium permanganate and caustic alkali, or by potassium bichromate and hydrochloric acid. Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 1 "Châtelet" to "Chicago" More accurate results are obtained by using a very dilute solution of potassium permanganate, which is decomposed by amyl alcohol much more rapidly than by ethyl alcohol. Scientific American Supplement, No. 365, December 30, 1882 With pure solutions the colour is fairly permanent, and a single drop of the potassium permanganate solution is sufficient to determine the finishing point. A Text-book of Assaying: For the Use of Those Connected with Mines. One per cent solution of potassium permanganate or permanganate of potash is good applied to the parts. Mother's Remedies Over One Thousand Tried and Tested Remedies from Mothers of the United States and Canada Soda lime and potassium permanganate and nickel salts were among the neutralizers used. Creative Chemistry Descriptive of Recent Achievements in the Chemical Industries If a piece of potassium permanganate about the size of a grain of sand is put into a quart of water, the solid disappears and the water becomes a deep rich red. General Science To detect very minute quantities of fusel oil, the chloroform extracts are treated with several drops of sulphuric acid and enough potassium permanganate to keep the solution red for twenty-four hours. Scientific American Supplement, No. 365, December 30, 1882 The indicator is a saturated solution of iron alum, or a solution of ferric sulphate of equivalent strength made by titrating acid ferrous sulphate with potassium permanganate. A Text-book of Assaying: For the Use of Those Connected with Mines. In this test, green aniline, red potassium permanganate, and bran were used. The Water Supply of the El Paso and Southwestern Railway from Carrizozo to Santa Rosa, N. Mex. American Society of Civil Engineers: Transactions, No. 1170 The most important combinations among the foregoing are: Potassium bichromate and ferrous salts; potassium permanganate and ferrous salts; potassium permanganate and oxalic acid, or its derivatives; iodine and sodium thiosulphate; hypochlorites and arsenious acid. An Introductory Course of Quantitative Chemical Analysis With Explanatory Notes Shaking out into the tumbler a few crystals of potassium permanganate, I filled it up with water and approached the patient. The Mystery of 31 New Inn Quinine, C20H24N2O2, when carefully oxidized with chromic acid or potassium permanganate, yields a series of products. Scientific American Supplement, No. 415, December 15, 1883 Solutions of potassium permanganate may be kept for a month or so without much change. A Text-book of Assaying: For the Use of Those Connected with Mines. The usual test for solutions of aconitine consists in slight acidulation with acetic acid and addition of potassium permanganate, which causes the formation of a red crystalline precipitate. The Project Gutenberg Encyclopedia Volume 1 of 28 Commercial potassium permanganate is rarely sufficiently pure to admit of its direct weighing as a standard. An Introductory Course of Quantitative Chemical Analysis With Explanatory Notes Dr. Richards states that the cobra poison is destroyed by potassium permanganate; but this is no argument in favor of that salt as an antidote. Scientific American Supplement, No. 360, November 25, 1882 Water solutions of boric acid, potassium permanganate and hydrogen peroxide are recommended. Common Diseases of Farm Animals Without going into the development of the granule in the respirator, the supply of potassium permanganate was of prime importance, and the country was woefully deficient in the production of this substance. The Riddle of the Rhine; chemical strategy in peace and war |
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