The Pharmacopœia of the United States of America: By Authority of the National Convention for Revising the Pharmacopœia, Held at Washington, A.D. 1870

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Lippincott, 1873 - 383 หน้า
 

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หน้า 125 - ... 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.
หน้า ix - May, 1859, issue a notice requesting the several incorporated State Medical Societies, the incorporated Medical Colleges, the incorporated Colleges of Physicians and Surgeons, and the incorporated Colleges of Pharmacy throughout the United States...
หน้า 109 - Alcohol until two pints more of tincture have passed, or until the powder is exhausted ; then evaporate this liquid, by means of a water-bath, at a temperature not exceeding 160°, to the consistence of syrup.
หน้า ix - The several incorporated bodies, thus addressed, shall also be requested by the President to submit the Pharmacopoeia to a careful revision, and to transmit the result of their labors, through their delegates, or through any other channel, to the next Convention.
หน้า 243 - ... of which is then decomposed by pure barium carbonate. Sarcosine crystallises in colourless, transparent, rhombic prisms, having a sharp, sweetish, somewhat metallic taste. Sarcosine is unchanged at 100°, but at a higher temperature melts and volatilises without leaving any residue. Sarcosine is readily soluble in water, sparingly soluble in alcohol, and insoluble in ether. It has no action on litmus, but combines with acids to form soluble crystallisable salts.
หน้า 154 - ... Alcohol, triturate the mixture until the ingredients are thoroughly incorporated. Stir the mixture occasionally, and, at the end of two hours, triturate again, with considerable pressure, until it is nearly dry. Then rub it up with Stronger Alcohol, gradually added, until it is reduced to a uniform thin paste ; and having transferred this to a filter, wash it with Stronger Alcohol until the washings cease to produce a permanent cloudiness when dropped into a large quantity of water. Lastly, dry...
หน้า 42 - Heat the Aloes, by means of a water-bath, until it is completely melted. Then add the Alcohol, and, having stirred the mixture thoroughly, strain it through a fine sieve, which has just been dipped into boiling water. Evaporate the strained mixture by moans of a water'bath, constantly stirring, until a thread of the mass becomes brittle on cooling.
หน้า 228 - ... of water, previously cooled to a temperature below 10° C. (50° F.), and mixed with the hydrochloric acid. When the precipitate has subsided, decant the supernatant liquid, and wash the precipitate twice, by decantation, with fresh portions of cold water. Spread it in a thiu layer, upon a strainer, and dry die resin by exjMjsure to the air, in a cool place.
หน้า 29 - Nutgall with sufficient Distilled Water to form a thin paste, and expose the mixture to the air, in a shallow glass or porcelain vessel, in a warm place, for a month, occasionally stirring it with a glass rod, and adding from time to time sufficient Distilled Water to preserve the semifluid consistence. Then submit the paste to expression, and, rejecting the expressed...
หน้า 235 - When mixed with half its volume of officinal solution of potassa previously diluted with an equal measure of distilled water, it assumes a yellow color, which slightly deepens, without becoming brown, in twelve hours. A portion of the spirit in a test-tube half filled with it, plunged into water heated to 145° and held there until it has acquired that temperature, will boil distinctly on the addition of a few small pieces of glass.

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