| 单词 | permanganate |
| 例句 | Aureliano Segundo submitted secretly to the burning baths of permanganate and to diuretic waters, and both were cured separately after three months of secret suffering. One Hundred Years of Solitude 1967-05-30T00:00:00Z 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 The candle contains a chemical compound called permanganate that mixes with and oxidizes toxic chemicals, turning them into less harmful carbon dioxide and chloride. Recent editorials published in Nebraska newspapers 2014-06-30T04:00:00Z 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 The remedy consists of a solution of chlorine, bromine, sulphuric acid, and permanganate of potash, with oil of eucalyptus. Health, Happiness, and Longevity Health without medicine: happiness without money: the result, longevity 2012-03-22T02:00:38.537Z Nasal ulcers may be treated by insufflation of iodoform and injections of creasote, carbolic acid, nitrate of silver, or permanganate of potash solutions. A System of Practical Medicine by American Authors, Vol. I Volume 1: Pathology and General Diseases 2012-03-17T02:00:54.097Z So again with a solution of permanganate of potash. Colour Measurement and Mixture 2012-02-27T03:00:13.987Z Other “decolourizers” are sulphurous acid, permanganates and manganates, all of which have received application in the sugar industry. Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 10 "David, St" to "Demidov" 2012-02-17T03:00:33.923Z Give me the permanganate out of the side drawer. For Jacinta 2012-01-27T03:00:20.840Z The recipe can be filled at any drug store, and used by any person without danger:— Take ten grains of permanganate of potassium and mix with one ounce of cold water. Health, Happiness, and Longevity Health without medicine: happiness without money: the result, longevity 2012-03-22T02:00:38.537Z For the latter reason I do not use the subsulphate and perchloride of iron; for the former, the permanganate of potassium. A System of Practical Medicine by American Authors, Vol. I Volume 1: Pathology and General Diseases 2012-03-17T02:00:54.097Z 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 If this second bath of binoxide of barium does not produce the requisite whiteness, it is introduced into a solution of permanganic acid or permanganate of magnesia before the last washing. Scientific American, Vol. XXXVII.?No. 2. [New Series.], July 14, 1877 A Weekly Journal Of Practical Information, Art, Science, Mechanics, Chemistry, And Manufactures 2012-01-05T03:00:29.743Z "I guess none of us have any use for that kind of talking, and you swilled yourself with permanganate, any way." For Jacinta 2012-01-27T03:00:20.840Z 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 The disinfectants in common use comprise chlorine gas, chlorinated soda, chloride of zinc, sulphate of iron, permanganate of potassium, carbolic acid, and the fumes of burning sulphur. A System of Practical Medicine by American Authors, Vol. I Volume 1: Pathology and General Diseases 2012-03-17T02:00:54.097Z 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 Potassium and sodium perchlorates and permanganates make similar but slightly less sensitive explosive mixtures with the above-mentioned substances. Encyclopaedia Britannica, 11th Edition, Volume 10, Slice 1 "Evangelical Church Conference" to "Fairbairn, Sir William" 2011-07-16T02:00:16.387Z A mixture of four ounces of Condy's red permanganate of potash fluid, with one gallon of water, is also a proper disinfectant solution. On the cattle plague: or, Contagious typhus in horned cattle. Its history, origin, description, and treatment 2011-06-24T02:00:18.093Z Some of them—and especially the chloride of zinc, sulphate of iron, the permanganate of potassium, and carbolic acid—are supposed to be capable of destroying the infectious principle of the vomit and stools. A System of Practical Medicine by American Authors, Vol. I Volume 1: Pathology and General Diseases 2012-03-17T02:00:54.097Z 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 It’s permanganate of potash, and any druggist will put it up if he’s told what it’s for. The Outdoor Chums on a Houseboat 2011-04-13T02:00:14.140Z Finely divided metals such as aluminium or magnesium give also with permanganates, chlorates or perchlorates sensitive and powerful explosives. Encyclopaedia Britannica, 11th Edition, Volume 10, Slice 1 "Evangelical Church Conference" to "Fairbairn, Sir William" 2011-07-16T02:00:16.387Z 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 effect of alcohol in neutralizing carbolic acid attracted as much attention as did potassium permanganate for opium. Psychotherapy 2011-06-19T02:00:20.053Z 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 A few chlorates, perchlorates, permanganates and chromates almost complete the list. Encyclopaedia Britannica, 11th Edition, Volume 10, Slice 1 "Evangelical Church Conference" to "Fairbairn, Sir William" 2011-07-16T02:00:16.387Z I don’t know how Mother fixed it, but I heard her ask Uncle if he kept any permanganate of potash crystals, and when he said no, she sent to the drug store. Betty Lee, Sophomore 2010-12-24T03:00:29.270Z 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" Numbers of cases were reported in which potassium permanganate was supposed to have had this desirable effect. Psychotherapy 2011-06-19T02:00:20.053Z Since caustic potash is generated from the permanganate and is liable to act detrimentally on the fibre, it is advisable to add some magnesium sulphate to the permanganate bath in order to counteract this effect. Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 8 "Dubner" to "Dyeing" 2010-12-26T03:00:17.840Z This explanation is supported by the facts that traces of chlorine are present in the gas, and the pink permanganate can be recognized when little dioxide is used. Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 5 "Cat" to "Celt" 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" 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" It should contain antiseptics, permanganate for snake bites, a laxative, cholera remedy, quinine, and morphine. Camp and Trail 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" 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" The solution is then ready for titration with the standard permanganate solution. Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 7 "Arundel, Thomas" to "Athens" Probably one of the most simple and practical methods of liberating this gas is by means of the chemical reaction which takes place when formalin is poured upon permanganate of potassium. Special Report on Diseases of Cattle It’s the best thing there is to cheat rattlers,––just cheap, ordinary permanganate of potash. Out of the Depths A Romance of Reclamation The alkaline perchlorates are isomorphous with the permanganates. Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 3 "Chitral" to "Cincinnati" 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" 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 Treatment.—The treatment is to wash the parts with diluted ammonia or permanganate of potassium solution and to give stimulants internally. Special Report on Diseases of Cattle Here’s something a thousand times better than whiskey––permanganate.” Out of the Depths A Romance of Reclamation Squeeze it—wash it out with permanganate of potash dissolved in water to the color of wine. Scouting For Girls, Official Handbook of the Girl Scouts 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" Give him half a grain of permanganate of potash dissolved in a wineglass of water, every half hour. The Home Medical Library, Volume I (of VI) 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 Even had you been struck in the face, quick action with permanganate would have saved you.” Out of the Depths A Romance of Reclamation As an extra precaution in case of accidents, I overhauled my medicine-chest and made up a little package for the breast pocket—a lancet, a rubber bandage, and a pill-box full of permanganate crystals. It, and Other Stories Acetone gives little colour on the addition of ammonia, but after the addition of ammonium sulphate a deep permanganate colour, which takes ten minutes to reach its full intensity. The Elements of Bacteriological Technique A Laboratory Guide for Medical, Dental, and Technical Students. Second Edition Rewritten and Enlarged. If no syringe at hand, pour permanganate solution into wound. The Home Medical Library, Volume I (of VI) A mass of crystals of permanganate of potash as big as a pea may be administered in a glass of water, if this substance be at hand. Health on the Farm A Manual of Rural Sanitation and Hygiene A weak solution of permanganate of potash gives a yellowish stain that will be found to match many papers. Bookbinding, and the Care of Books A handbook for Amateurs, Bookbinders & Librarians Next day they came armed with towels, soap and all the permanganate of potash their kits could muster. The Tale of a Trooper 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. When Rand returned he had in his hand a solution of permanganate of potash and a vial of strong ammonia. The Boy Scouts on the Yukon The leaves were boiled for two minutes, and then transferred to a strong solution of permanganate of potash and gently heated. 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. For washing purposes it must be treated with a few tablets of permanganate of potassium which colours it red. An African Adventure 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 Wash the feet in warm water with borax, and if this don't cure, use a solution of permanganate to destroy the fetor; about five grains to each ounce of water. Searchlights on Health: Light on Dark Corners A Complete Sexual Science and a Guide to Purity and Physical Manhood, Advice To Maiden, Wife, And Mother, Love, Courtship, And Marriage The bite of the first and the sting of the second are poisonous, and may be treated like other insect venom, by carbolated glycerin, or a strong solution of ammonia, or permanganate of potash. Special Report on Diseases of the Horse Sulphur, formaldehyde, carbolic acid, permanganate of potash, chloride of lime, bichloride of mercury—the author knew not which of these "fetiches" to be most sarcastic about. Ten Thousand Miles with a Dog Sled A Narrative of Winter Travel in Interior Alaska Mr. Cockerell recommends that the permanganate bath be only 'warmed slightly,' and that the leaf be left in it for 'about an hour.' The Book-Hunter at Home Starch was oxidised with permanganate, and a mixture of products obtained of which one gave a characteristic violet colouration with phloroglucol, with an absorption-band at the D line. Researches on Cellulose 1895-1900 But the poison had not all been sucked from the wounds or counteracted in the veins by the permanganate. Bloom of Cactus 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 Next day the young reporter got a raise in salary and the woman swallowed two ounces of permanganate of potassium. A Book of Burlesques Put half an ounce of permanganate of potash in a jug that holds about a pint and a half, and fill it up with hot water. The Book-Hunter at Home Rice starch, specially purified by the permanganate method. Researches on Cellulose 1895-1900 Either the remaining poison had been almost destroyed by the permanganate or else his previous reactions to the venom had rendered him partly immune. Bloom of Cactus After the slough has fallen off the wound is to be dressed with warm washes of carbolic acid, chlorid of zinc, permanganate of potash, or other antiseptic. Special Report on Diseases of the Horse Alkaline solutions of permanganate convert the cellulose into oxycellulose, which resembles the oxycellulose obtained by the action of the nitric acid. The Dyeing of Cotton Fabrics A Practical Handbook for the Dyer and Student If you do probably you will be annoyed to find small purple specks on the leaves where the fine permanganate dust has settled. The Book-Hunter at Home An aqueous solution of permanganate of potash yields with baryta-water a violet mixture, which afterwards becomes colourless, and deposits a blue precipitate. Field's Chromatography or Treatise on Colours and Pigments as Used by Artists "I rubbed in snake medicine—permanganate of potash crystals," quavered the girl. Bloom of Cactus While these acids are of little interest, some of their salts, especially the permanganates, are important compounds. An Elementary Study of Chemistry Away from such conveniences, use the following method: Place two ounces of crystals of permanganate of potash in a pan and have a pint bottle of formalin near by. The Mother and Her Child Stir with a piece of wood until the permanganate is dissolved. The Book-Hunter at Home This retains its colour after washing and drying, but cannot be recommended as a pigment, being liable to suffer in contact with organic substances, which deoxidize and decolourize the manganates and permanganates. Field's Chromatography or Treatise on Colours and Pigments as Used by Artists 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 The permanganates are remarkable for their strong oxidizing properties. An Elementary Study of Chemistry "The permanganate of potash is almost a sure cure for the ordinary snake bite, if you use it in time," declared Bud. The Boy Ranchers Among the Indians or, Trailing the Yaquis A strong solution of permanganate will reduce paper to pulp in a few minutes. The Book-Hunter at Home 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" "It smells like an infusion of permanganate of potash," volunteered Hozier. The Stowaway Girl 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 Treatment.—Early use of stomach-pump and emetics, followed by the administration of permanganate of potassium or peroxide of hydrogen to oxidize the phosphorus. Aids to Forensic Medicine and Toxicology So far he has not found this to have any ill effect on the paper, though possibly if kept for a longer period—especially if they got damp—the permanganate might rot them. The Book-Hunter at Home 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. Cheap Stain for Wood Floors—Ten cents’ worth of permanganate of potash will stain a wood floor. Fowler's Household Helps Over 300 Useful and Valuable Helps About the Home, Carefully Compiled and Arranged in Convenient Form for Frequent Use Treatment.—Use the stomach-tube to give a solution of permanganate of potash, emetics, followed by a hypodermic injection of 1/50 grain of atropine. Aids to Forensic Medicine and Toxicology Do not handle permanganate of potash in the room where your bleached leaves are drying. The Book-Hunter at Home 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 Antimonious is converted into antimonic chloride by treatment with permanganate of potash in an acid solution. A Text-book of Assaying: For the Use of Those Connected with Mines. Put the permanganate of potash in an old tin and pour about one quart of boiling water over it; then, with a brush, paint over the floor, after it has cooled. Fowler's Household Helps Over 300 Useful and Valuable Helps About the Home, Carefully Compiled and Arranged in Convenient Form for Frequent Use Give 10 grains of permanganate of potassium in a pint of water acidulated with sulphuric acid, and repeat the dose every half hour. Aids to Forensic Medicine and Toxicology When hydrogen peroxide comes in contact with a catalyst, such as permanganate of potash, it breaks down into oxygen and water. Operation: Outer Space He placed the permanganate in glass vessels, moistened it gradually with the acid, and then allowed the ozone, which is formed, to diffuse into the air. Scientific American Supplement, No. 717, September 28, 1889 Warm until any precipitate which has formed is redissolved; allow to cool slowly, and run in from a pipette a weak solution of permanganate until a faint brown colour is produced. A Text-book of Assaying: For the Use of Those Connected with Mines. The water was to be boiled and filtered, then treated with permanganate of potash. McClure's Magazine, Vol. 31, No. 1, May 1908 Salt put in the cut wound will be of help, or fill the wound with permanganate of potash and inject a solution of the same, diluted three-quarters with water, around the wound. 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 In this process he used equal parts of manganese, permanganate of potash, and oxalic acid. Scientific American Supplement, No. 717, September 28, 1889 In another experiment, in which 50 c.c. of the ferrous sulphate solution were titrated with "permanganate," 48 c.c. of the latter were required. A Text-book of Assaying: For the Use of Those Connected with Mines. 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 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 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 If we subtract from the amount thus found the quantity of permanganate required to equalize solutions Nos. Scientific American Supplement, No. 561, October 2, 1886 Repeating the experiment, it will be found that the same amount of iron decolorises the same volume of the permanganate solution within certain narrow limits of variation, known as "error of experiment." A Text-book of Assaying: For the Use of Those Connected with Mines. The contents of the tube are filtered and washed, the filtrate is oxidised with permanganate, and the nitrogen determined as nitric oxide by the Schultze-Tieman method. Nitro-Explosives: A Practical Treatise This should be given once or twice a day; or enough permanganate of potash can be put into the water to give the water a tinge of the color. Mother's Remedies Over One Thousand Tried and Tested Remedies from Mothers of the United States and Canada Still I took him into my canoe, gave him whisky internally and bathed his head with permanganate of potassium and he was quite well next day. A Journal of a Tour in the Congo Free State The measurements of the permanganate were made from a burette which had been carefully calibrated. Scientific American Supplement, No. 561, October 2, 1886 So that if in an unknown solution of iron, 50.5 c.c. of the permanganate solution were used up, he could state with confidence that it contained a little more than 0.5 gram of iron. A Text-book of Assaying: For the Use of Those Connected with Mines. Determine the specific gravity by the specific gravity bottle or hydrometer, and the oxides of nitrogen by the permanganate method described under nitro-glycerine. Nitro-Explosives: A Practical Treatise I made two small incisions in the region of the wound upon the dorsum of the hand, and injected permanganate of potassium freely. Scientific American Supplement, No. 841, February 13, 1892 Dark Walnut.—3 ozs. permanganate of potash are dissolved in six pints of water, and the wood is painted twice with this solution. Burroughs' Encyclopaedia of Astounding Facts and Useful Information, 1889 A dilute, carefully standardized solution of permanganate of potassium. Scientific American Supplement, No. 561, October 2, 1886 Indirect Titration.—The action of permanganate of potash upon a ferrous solution is one of oxidation, hence it is evident that if any other oxidising agent is present it will count as permanganate. A Text-book of Assaying: For the Use of Those Connected with Mines. A drop of sodium hydrogen sulphate is now added to destroy excess of permanganate. Scientific American Supplement, No. 821, September 26, 1891 I employed, in all, about forty grains of the permanganate. Scientific American Supplement, No. 841, February 13, 1892 Potassium permanganate in neutral solution oxidizes it to nitrobenzene, in alkaline solution to azobenzene, ammonia and oxalic acid, in acid solution to aniline black. Encyclopaedia Britannica, 11th Edition, Volume 2, Part 1, Slice 1 One molecule of permanganate equals one molecule of nitric oxide when manganous sulphate is used, since no part of the permanganate employed in this method is reduced below the superoxide condition. Scientific American Supplement, No. 561, October 2, 1886 The latter cannot be used for solutions of permanganate of potash or of iodine, or of any substance which acts on india-rubber; but in other respects there is little to choose between the two kinds. A Text-book of Assaying: For the Use of Those Connected with Mines. A strong solution of permanganate of potash put on with a brush will darken any wood; it has no fumes. The Library of Work and Play: Gardening and Farming. Free incisions into all portions of the inflamed tissues, and the thorough kneading into these incisions of a fifteen per cent. solution of permanganate of potassium. Scientific American Supplement, No. 841, February 13, 1892 And by the way, you'd better carry some of this permanganate. The Young Wireless Operator—As a Fire Patrol The Story of a Young Wireless Amateur Who Made Good as a Fire Patrol When all of the nitric oxide has been forced into the solution of permanganate, the determination is made in the manner already described. Scientific American Supplement, No. 561, October 2, 1886 The precipitate is filtered, washed with alcohol, dissolved in hot hydrochloric acid, and titrated with permanganate of potassium. A Text-book of Assaying: For the Use of Those Connected with Mines. It should be noted, however, that very few of these organic compounds react quantitatively with the permanganate, as is the case with oxalic acid and the oxalates. An Introductory Course of Quantitative Chemical Analysis With Explanatory Notes Into these wounds was poured a fifteen per cent. solution of permanganate of potassium, and fully half an hour was devoted to kneading this drug into the tissues. Scientific American Supplement, No. 841, February 13, 1892 The first-aid kit was fastened to the tent wall where it would be handy, and Charley put the permanganate and the hypodermic syringe in his pocket. The Young Wireless Operator—As a Fire Patrol The Story of a Young Wireless Amateur Who Made Good as a Fire Patrol In consequence of the large volume of the permanganate solution required for the complete absorption of the nitric oxide, we have found it advantageous to use three solutions instead of two. Scientific American Supplement, No. 561, October 2, 1886 This property is made use of in determining the quantity of uranium in pure solutions by titrating with permanganate of potassium solution as in the case with iron. A Text-book of Assaying: For the Use of Those Connected with Mines. This change is probably caused by interaction with the organic matter contained in all distilled water, except that redistilled from an alkaline permanganate solution. An Introductory Course of Quantitative Chemical Analysis With Explanatory Notes Into these wounds a fifteen per cent. permanganate of potassium solution was poured, and as much as possible was kneaded into the tissues. Scientific American Supplement, No. 841, February 13, 1892 Then he jerked out his hypodermic syringe, which he carried already filled with fluid, and thrusting the needle into the bleeding arm, injected the permanganate into the wound. The Young Wireless Operator—As a Fire Patrol The Story of a Young Wireless Amateur Who Made Good as a Fire Patrol Before removing the flame, the joint at f is closed to prevent the return of the permanganate solution. Scientific American Supplement, No. 561, October 2, 1886 Dissolve in 20 c.c. of dilute hydrochloric acid and keep the solution tinted with permanganate of potassium. A Text-book of Assaying: For the Use of Those Connected with Mines. As commercial samples of the permanganate are likely to be contaminated by the dioxide, it is advisable to boil and filter solutions through asbestos before standardization, as prescribed above. 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 If the pressure is insufficient, the fact will be made apparent by a rise of the permanganate in the small internal tube. Scientific American Supplement, No. 561, October 2, 1886 The standard solution of permanganate of potassium is made by dissolving 5.356 grams of the salt in water and diluting to one litre. A Text-book of Assaying: For the Use of Those Connected with Mines. 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 The dose of permanganate that I had given was enough to neutralize any reasonable quantity of the poison that might yet remain in the stomach. The Mystery of 31 New Inn He opened up the wound and rubbed in permanganate of potash to oxidize the venom and destroy its toxic properties. Stories from Everybody's Magazine Care must be taken, however, not to admit too strong a current of carbon dioxide, lest some of the nitric oxide should be forced unabsorbed through the permanganate solution. Scientific American Supplement, No. 561, October 2, 1886 This salt is soluble in water, forming a green solution; which, when rendered acid, rapidly changes into the permanganate with the characteristic purple colour. A Text-book of Assaying: For the Use of Those Connected with Mines. This procedure is somewhat more time-consuming, but the end-point of the permanganate titration is more permanent. An Introductory Course of Quantitative Chemical Analysis With Explanatory Notes The little board and the lamp I put in my overcoat pocket; I overhauled the emergency bag and added to its usual contents a bottle of permanganate of potassium which I thought I might require. The Mystery of 31 New Inn 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 A solution of the sulphate having been once carefully standardized, can be used for a long time to determine the value of permanganate solutions. Scientific American Supplement, No. 561, October 2, 1886 The iron, of course, must be in excess, which excess is determined when the ore is dissolved by titrating with standard permanganate or bichromate of potash solution. A Text-book of Assaying: For the Use of Those Connected with Mines. Potassium permanganate has an intense coloring power, and since the solution resulting from the oxidation of the iron and the reduction of the permanganate is colorless, the latter becomes its own indicator. An Introductory Course of Quantitative Chemical Analysis With Explanatory Notes Then, introducing the other end of the tube into the gullet as far as its length would permit, I cautiously poured a small quantity of the permanganate solution into the extemporized funnel. The Mystery of 31 New Inn Crystals of iodine as opposed to permanganate of potash for antiseptic he discussed. The Leopard Woman It is obtained by treating a solution of permanganate of baryta with sulphuric acid, when sulphate of baryta falls, and the permanganic acid remains dissolved in the water. Scientific American Supplement, No. 401, September 8, 1883 Ten c.c. of a solution of permanganate of potash is found to oxidise 10 c.c. of an acid solution of ferrous sulphate. A Text-book of Assaying: For the Use of Those Connected with Mines. PROCEDURE.—Fill a glass-stoppered burette with the permanganate solution, observing the usual precautions, and fill a second burette with the ferrous sulphate solution prepared for use with the potassium bichromate. 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 The presence of essential oils gives rise to a partial reduction of the permanganate without affecting the conversion of alcohol into aldehyd. Scientific American Supplement, No. 288, July 9, 1881 The quantity of titanium reduced is measured by titrating with permanganate of potassium solution. A Text-book of Assaying: For the Use of Those Connected with Mines. The permanganate solution cannot be used in burettes with rubber tips, as a reduction takes place upon contact with the rubber. An Introductory Course of Quantitative Chemical Analysis With Explanatory Notes His wife disinfected plates, forks, spoons, and even the fruit, in a weak solution of permanganate of potassium. Through Central Borneo; an Account of Two Years' Travel in the Land of Head-Hunters Between the Years 1913 and 1917 The skin may be washed with cold water, or a weak water solution of permanganate of potassium. Common Diseases of Farm Animals The chemist gave us some permanganate of potash, and for the last hour I have been bathing the wrist, assisted by Bella, who has ruined two of my best handkerchiefs in the process. Olivia in India Cool and titrate the remaining ferrous iron with the permanganate or bichromate of potassium solution. A Text-book of Assaying: For the Use of Those Connected with Mines. Run out into a beaker about 40 cc. of the ferrous solution, dilute to about 100 cc., add 10 cc. of dilute sulphuric acid, and run in the permanganate solution to a slight permanent pink. An Introductory Course of Quantitative Chemical Analysis With Explanatory Notes Carbolic acid, chloride of lime, permanganate of potash, and various other preparations made from zinc, iron, and petroleum, are the chemical disinfectants most commonly and successfully used at the present time. A Practical Physiology Washing the part with a weak water solution of permanganate of potassium may be practised daily. Common Diseases of Farm Animals Two figures met him,--the dark-eyed Miss Drake, all in white, and behind her a shuffling, grinning native woman, who carried a basin, in which permanganate of potash swam gleaming like diluted blood. Dragon's blood The solution containing the chromate is added, and the remaining ferrous iron titrated with the permanganate or bichromate of potassium solution, as described under Iron. A Text-book of Assaying: For the Use of Those Connected with Mines. 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 Harrisson carved an excellent set of chessmen, distinguishing the "black" ones by a stain of permanganate of potash. The Home of the Blizzard Being the Story of the Australasian Antarctic Expedition, 1911-1914 If pus and scabs form, the part should be cleansed daily with a one per cent water solution of permanganate of potassium. Common Diseases of Farm Animals Its lower surface and the edges were coloured brown by the permanganate of potassium, but not the upper surface. The Power of Movement in Plants 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. Add 10 cc. of dilute sulphuric acid and titrate to a faint pink with the permanganate solution, adding it directly to the contents of the vacuum flask. An Introductory Course of Quantitative Chemical Analysis With Explanatory Notes Use some simple remedy like coal oil or permanganate of potash to cleanse the throat and nostrils. One Thousand Questions in California Agriculture Answered The labels apprise me of their contents: molybdenite of ammonia, chloride of antimony, permanganate of potash and ever so many other strange terms. The Life of the fly; with which are interspersed some chapters of autobiography The petioles are clothed with root-hairs like those on a true radicle, and they likewise resemble radicles in becoming brown when immersed in a solution of permanganate of potassium. The Power of Movement in Plants The titrated solution was next reduced with sulphuretted hydrogen, brought to the same bulk as before, and again titrated; 47.9 c.c. of the permanganate of potassium solution were required. A Text-book of Assaying: For the Use of Those Connected with Mines. From the volume of the solution required to oxidize the iron in the wire, calculate the relation to the normal of the permanganate solution. An Introductory Course of Quantitative Chemical Analysis With Explanatory Notes Until the disease is eliminated from the premises, keep permanganate of potash in the drinking water of all the fowls, both sick and well. One Thousand Questions in California Agriculture Answered Could you test Welwitschia with permanganate of potassium: if, like my pegs, the lower surface would be coloured brown like radicle, and upper surface left white like hypocotyl. More Letters of Charles Darwin — Volume 2 But I saw him in the surgery five minutes afterwards, with Doctor Goodhue scarifying the wounds and injecting permanganate of potash. The House of Pride, and Other Tales of Hawaii Boil, dilute, and tint with the permanganate of potassium solution; boil till colourless, and dilute to 100 c.c. A Text-book of Assaying: For the Use of Those Connected with Mines. Deduct this volume from the amount of permanganate solution used in the titration. An Introductory Course of Quantitative Chemical Analysis With Explanatory Notes The affected fowls were also treated by dipping the heads in a solution of permanganate of potash. One Thousand Questions in California Agriculture Answered Such combination, if refractory in the presence of permanganate of potash with sulphuric acid, must be followed by an application of sulphurous acid. Forty Centuries of Ink or, a chronological narrative concerning ink and its backgrounds, introducing incidental observations and deductions, parallels of time and color phenomena, bibliography, chemistry, poetical effusions, citations, anecdotes and curiosa together with some evidence respecting the evanescent character of most inks of to-day and an epitome of chemico-legal ink. Every sensible man in a lion country carries a small syringe, and either permanganate or carbolic. The Land of Footprints When the colour of the permanganate becomes permanent dilute to a bulk of 50 c.c. with water, filter, and wash. A Text-book of Assaying: For the Use of Those Connected with Mines. From the data obtained, calculate the relation of the permanganate solution to the normal. An Introductory Course of Quantitative Chemical Analysis With Explanatory Notes Get one ounce of permanganate of potash and pour a quart of boiling water over; after it is cold, bottle for use. One Thousand Questions in California Agriculture Answered 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 That meant either Epsom salts, quinine, or a little excursion with the lancet and permanganate. The Land of Footprints When the residue is clean and sandy-looking, and free from black particles, the flask is cooled, and the residual ferrous iron is determined by titration with "permanganate." A Text-book of Assaying: For the Use of Those Connected with Mines. The procedures, as here prescribed, are applicable to iron ores in general, provided these ores contain no constituents which are reduced by zinc or stannous chloride and reoxidized by permanganates. An Introductory Course of Quantitative Chemical Analysis With Explanatory Notes Now take an old tin can, three parts full of warm, not hot water, and drop in enough of the permanganate of potash to make it dark red. One Thousand Questions in California Agriculture Answered For fear of poison, Sheldon had immediately scarified the wound and injected permanganate of potash; but in spite of the precaution the shoulder was swelling rapidly. Adventure The solution was exposed, cold, in an open beaker for varying lengths of time, and titrated with permanganate of potassium. A Text-book of Assaying: For the Use of Those Connected with Mines. Boil the precipitate with dilute sulphuric acid, filter, and titrate the filtrate with the permanganate of potassium solution after boiling off the sulphuretted hydrogen. A Text-book of Assaying: For the Use of Those Connected with Mines. If a residue remains which is sufficiently colored to obscure the end-reaction of the permanganate, it must be removed by filtration. An Introductory Course of Quantitative Chemical Analysis With Explanatory Notes Put a little of the permanganate in the drinking water for all the flock. One Thousand Questions in California Agriculture Answered In the titration of iron by permanganate solution there are two reactions. A Text-book of Assaying: For the Use of Those Connected with Mines. 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 method is as follows:—Weigh up 1 gram of the substance and dissolve in a suitable acid; dilute; and add permanganate of potash solution until tinted. A Text-book of Assaying: For the Use of Those Connected with Mines. It is also desirable that a sufficient excess of the acid should be present to react with a considerable volume of the permanganate solution during the titration, thus increasing the accuracy of the process. An Introductory Course of Quantitative Chemical Analysis With Explanatory Notes Standardising.—Suppose the object is to standardise a solution of permanganate similar to that referred to above. A Text-book of Assaying: For the Use of Those Connected with Mines. "If 100 c.c. of the standard permanganate solution are equivalent to 1 gram of iron, how much peroxide of manganese will they be equivalent to?" A Text-book of Assaying: For the Use of Those Connected with Mines. When calcination is not admissible it may be destroyed by heating with strong sulphuric acid and bichromate or permanganate of potash or by fusion with nitre. A Text-book of Assaying: For the Use of Those Connected with Mines. Make a blank experiment by boiling 10 c.c. of dilute hydrochloric acid with a drop or two of nitric acid; add a similar quantity of the permanganate of potassium solution, boiling, &c., as before. A Text-book of Assaying: For the Use of Those Connected with Mines. On the other hand, the excess of oxalic acid should not be so large as to react with more of the permanganate solution than is contained in a 50 cc. burette. An Introductory Course of Quantitative Chemical Analysis With Explanatory Notes Dilute sulphuric acid, made by adding one part of the acid to three of water, and titrating with the permanganate solution till a faint pink persists after warming for several hours. A Text-book of Assaying: For the Use of Those Connected with Mines. It is used as an oxidising agent in a similar manner as permanganate and bichromate of potash, especially in the determinations of copper, arsenic, antimony, and manganese. A Text-book of Assaying: For the Use of Those Connected with Mines. Less permanganate will be required in the second titration, according to the amount of oxygen in the water; and the difference, multiplied by 0.5, will give the weight of the oxygen in milligrams. A Text-book of Assaying: For the Use of Those Connected with Mines. The titration with permanganate of potassium has the advantage of a more distinct finishing point and easier mode of working; its application, however, is somewhat limited by the disturbing effects of hydrochloric acid. A Text-book of Assaying: For the Use of Those Connected with Mines. Then run in the permanganate solution from a pipette or burette to determine roughly the amount required. An Introductory Course of Quantitative Chemical Analysis With Explanatory Notes The ferrous iron is determined by dissolving another 2 grams in hydrochloric acid and at once titrating with the permanganate of potassium solution. A Text-book of Assaying: For the Use of Those Connected with Mines. The difference in the two titrations, divided by the last and multiplied by 10, will give the c.c. of permanganate solution used in oxidising the organic matter in the 250 c.c. of water. A Text-book of Assaying: For the Use of Those Connected with Mines. Besides nitric acid, permanganate of potash, bichromate of potash, and peroxide of hydrogen are largely used for this purpose. A Text-book of Assaying: For the Use of Those Connected with Mines. Solutions of ferrous sulphate and of ferrous chloride were made containing 0.5 gram of iron in each 100 c.c., thus corresponding to the standard solutions of permanganate and bichromate of potassium. A Text-book of Assaying: For the Use of Those Connected with Mines. Find the ratio of the oxalate used in the NaOH standardization to the oxalate used in the permanganate standardization. An Introductory Course of Quantitative Chemical Analysis With Explanatory Notes Arsenites are distinguished by the volatility of the chloride; by decolorising a solution of permanganate of potassium, and by immediately giving a yellow precipitate with sulphuretted hydrogen. A Text-book of Assaying: For the Use of Those Connected with Mines. The filtrate containing the iron is reduced with sulphuretted hydrogen, boiled till free from that gas, filtered and titrated with a standard solution of permanganate of potassium. A Text-book of Assaying: For the Use of Those Connected with Mines. In about an hour the decomposition is complete, and the solution is diluted with cold water, and titrated with the solution of bichromate or of permanganate of potassium. A Text-book of Assaying: For the Use of Those Connected with Mines. |
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