The Pharmacopoeia of the Royal College of Physicians of London
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. 1793 edition. Excerpt: ...bath with a fire gradually raised--an acid liquor and oil, and salt impregnated with oil, will ascend. REMARK. In the distillation of Amber, the fire must for some time be continued gentle, scarcely exceeding the degree at which water boils, until the aqueous phlegm and thin oil have arisen; after which it is to be slowly increased. If the fire be urged too hastily, the Amber will rise in its whole substance into the receiver without undergoing the requisite separation of its parts. The acid liquor, formerly called spirit, is a mere solution of a small portion of the salt in phlegm. The salt is usually dried between the folds of spongy paper, . The oil is given internally from five to eight or ten drops in hysterical spasms, and applied extern nally in the fame disorder, SAL SAL SUCCINI PURIFICATUS. Purified Salt Of Amber. Take of Salt of Amber half a pound. Distilled water one pint. Boil the Salt in the distilled water, and set the solution aside to crystallize. REMARK. Salt of Amber, freed from as much of the oil as Ipongy paper will imbibe, is still of a dark brown colour: when perfectly pure it is white and of an acid taste not ungrateful. It requires, for its solution, of cold water in summer, about twenty times its weight; of boiling water about twice its weight j and is scarcely soluble at all, in rectified spirit, without the assistance of heat. L. It is given as a cooling diuretic in doses of a few grains, and also in hysterical complaints. Prepared Ammokia. Take of Sal ammoniac, powdered, one pound. Prepared Chalk two pounds. Mix and sublime..----........., /', R E M A R.. Ki Though chalk does not act upon Sal ammoniac until a considerable heat is applied, it must not be too great, nor too suddenly raised; for, if it is, a part of the...
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