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This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1895 edition. Excerpt: ...which are soluble in alcohol and ether but are insoluble in water. At present the substance is more generally employed in the arts, in the manufacture of perfumes, though its use as an antipyretic and antiseptic has been suggested; such use has been largely restricted by the exceedingly high price of the substance. When administered it is usually given in single doses of about fifteen grains. Potassic Acetate.--KC,H,O,. This substance is the potassium salt of acetic acid, analogous to plumbic acetate ("Sugar of Lead") which is the lead salt of the self-same acid. It is hardly necessary to describe its chemical and physical properties. Suffice it to say that Koch found that a saturated solution of the salt in water failed to kill anthrax spores in ten days. Potassic Arsenite.--This substance, or rather the potassic hydrogen arsenite which has the chemical formula KHAsO5, is used in medicine under the name of "Fowler's Solution." It is an acid potassium salt of arsenous acid. The substance has been found to possess absolutely no germicidal action. It may be slightly antiseptic however for Miquel has determined that it is so in the proportion of 1:8. Potassic Di-chromate.--K,Cr,O7 This substance, which exists in beautiful yellowish-red crystals, was supposed to possess active germicidal properties but the experiments of Koch demonstrate that a five per cent solution failed to destroy anthrax spores even after two days exposure. Miquel has determined, however, that it is antiseptic in the proportion of 1:909. Potassic Bromid.--KBr. This substance is more familiarly known and used as a nerve sedative or a hypnotic but Kitasato has proven that it also possesses antiseptic and indeed even germicidal properties. He found that when...
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