"Potassium" Quotes from Famous Books
 ... or access to, a genuine finger-print. Of this finger-print a photograph is taken, or rather, a photographic negative, which for this purpose requires to be taken on a reversed plate, and the negative is put into a special printing frame, with a plate of gelatine which has been treated with potassium bichromate, and the ...
— The Red Thumb Mark • R. Austin Freeman
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... Nothing easier to do by means of chlorate of potash and caustic potash. The former is a salt which appears under the form of white crystals; when heated to a temperature of 400 deg. it is transformed into chlorine of potassium, and the oxygen which it contains is given off freely. Now 18 lbs. of chlorate of potash give 7 lbs of oxygen—that is to say, the quantity necessary to the travellers for ...
— The Moon-Voyage • Jules Verne
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... making the trial, and if the services of someone capable of giving the injections can be secured, the treatment is certainly worth the trial. The immediate injection into the tissues around the wound of a one-per-cent. watery solution of chromic acid or potassium permanganate is thought to be of value by destroying the poison, but in order to be efficient it must be administered within a short time after the bite has been received. Should the patient's condition become serious, and the ...
— Health on the Farm - A Manual of Rural Sanitation and Hygiene • H. F. Harris
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... the azo group .N:N. is united with an aromatic radical on the one hand, and with a radical of the aliphatic series on the other. The most easily obtained mixed azo compounds are those formed by the union of a diazonium salt with the potassium or sodium salt of a nitroparaffin (V. Meyer, Ber., 1876, ...
— Encyclopaedia Britannica, 11th Edition, Volume 3, Part 1, Slice 1 - "Austria, Lower" to "Bacon" • Various
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... writing is invisible when dry," he hurried on. "I will just make a few scratches on this fourth sheet of paper—so. It leaves no mark. But it has the remarkable property of becoming red in vapor of sulpho-cyanide. Here is a long-necked flask of the gas, made by sulphuric acid acting on potassium sulpho-cyanide. Keep back, Dr. Waterworth, for it would be very dangerous for you to get even a whiff of this in your condition. Ah! See—the scratches I made ...
— Master Tales of Mystery, Volume 3 • Collected and Arranged by Francis J. Reynolds
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