The Practice of Pharmacy: A Treatise on the Modes of Making and Dispensing Official, Unofficial, and Extemporaneous Preparations, with Descriptions of Their Properties, Uses, and Doses

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J.B. Lippincott, 1894 - 1473 pages

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Page 415 - Mix three parts of alcohol with one part of water, and, having moistened the powder with thirty grammes of the mixture, pack it firmly in a cylindrical percolator ; then add enough of the menstruum to saturate the powder and leave a stratum above it. When the liquid begins to drop from the percolator, close the lower orifice, and, having closely covered the percolator, macerate for forty-eight hours. Then allow the percolation to proceed, gradually adding menstruum, until the hydrastis is exhausted.
Page 451 - Cc. of this menstruum, pack it lightly in a cylindrical percolator and add enough of the menstruum to saturate the powder and leave a stratum above it. When the liquid begins to drop from the percolator, close the lower orifice, and having covered the percolator macerate the mixture for 48 hours.
Page 37 - that an English penny called the sterling, round, without clipping, should weigh 32 grains of wheat, well dried and gathered out of the middle of the ear...
Page 675 - Mix the two solutions, evaporate the mixture by means of a water-bath, at a temperature not exceeding 140 F., to the consistence of syrup; and spread it upon plates of glass, so that when dry, the salt may be obtained in scales.
Page i - PRACTICE OF PHARMACY. A Treatise on the Modes of Making and Dispensing Officinal, Unofficinal, and Extemporaneous Preparations, with Descriptions of their Properties, Uses, and Doses, Intended as a Hand-Book for Pharmacists and Physicians and a Text-Book for Students.
Page 396 - Cc [old form 38 fl. oz.] of the percolate, and evaporate the remainder, at a temperature not exceeding 50 C. (122 F.), to a soft extract ; dissolve this in the reserved portion, and add enough menstruum to make the Fluid Extract measure 100O Cc [old form 3 pints].
Page 401 - By means of a waterbath, distil off the alcohol from the remainder, and evaporate the residue to a soft extract; dissolve this in the reserved portion, and add enough menstruum to make the fluid extract measure 100 cubic centimeters.
Page 266 - ... in this, a height corresponding to its level in the percolator, which is now closely covered to prevent evaporation. The apparatus is then allowed to stand at rest for the time specified in the formula. To begin percolation, the rubber tube is lowered and its glass end introduced into the neck of a bottle previously marked for the quantity of liquid to be received, if the percolate is to be measured, or of a tared bottle if the percolate is to be weighed; and by raising or lowering this recipient,...
Page 260 - Pressure exerted anywhere upon a mass of liquid is transmitted undiminished in all directions, and acts with the same force on all equal surfaces, and in a direction at right angles to those surfaces.
Page 266 - The moist powder is now transferred to a sheet of thick paper and the whole quantity poured from it into the percolator. It is then shaken down lightly and allowed to remain in that condition for a period varying from fifteen minutes to several hours, unless otherwise directed; after which the powder is pressed by the aid of a plunger of suitable dimensions, more or less firmly in proportion to the character of the powdered substance and the alcoholic strength of the menstruum; strongly alcoholic...

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