Principles of PharmacySaunders, 1909 - 1175 pages |
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Page 37
... light material . The lighter the beam , the less friction does it exert on the central knife - edge , hence a dictum in successful scale manufacturing is to make the frame as light as possible without sacrificing rigidity . The knife ...
... light material . The lighter the beam , the less friction does it exert on the central knife - edge , hence a dictum in successful scale manufacturing is to make the frame as light as possible without sacrificing rigidity . The knife ...
Page 50
... light . " Thus were the original Baumé hydrometers constructed , but at present they are standardized by dipping the hydrometer in water and then into a standard liquid . ( concentrated sulphuric acid for the " heavy " hydrometer ...
... light . " Thus were the original Baumé hydrometers constructed , but at present they are standardized by dipping the hydrometer in water and then into a standard liquid . ( concentrated sulphuric acid for the " heavy " hydrometer ...
Page 66
... light , or chemical action . In order to obtain a clear understanding of heat , a comprehension of the molecule as explained on p . 359 is essential . Suffice it to say here that molecules are very minute particles of matter , and these ...
... light , or chemical action . In order to obtain a clear understanding of heat , a comprehension of the molecule as explained on p . 359 is essential . Suffice it to say here that molecules are very minute particles of matter , and these ...
Page 67
... light can be converted into heat , although the amount produced is very minute and very difficult to measure , inasmuch as almost invariably all sources of light are also sources of heat , and , therefore , it is very difficult to isolate ...
... light can be converted into heat , although the amount produced is very minute and very difficult to measure , inasmuch as almost invariably all sources of light are also sources of heat , and , therefore , it is very difficult to isolate ...
Page 68
... light . We know that wood is composed of hydrogen , oxygen , and carbon ; that the air around us contains oxygen , and that by applying a flame to the wood there is commenced a chemical reaction which results in the formation , from the ...
... light . We know that wood is composed of hydrogen , oxygen , and carbon ; that the air around us contains oxygen , and that by applying a flame to the wood there is commenced a chemical reaction which results in the formation , from the ...
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Common terms and phrases
acetic acid alcohol alkaline alkaloids ammonia ammonia water ammonium aqueous solution aromatic arsenic Assay.-Details atoms benzene calcium carbonate cent chemical chloroform color colorless compound constituent crystalline crystals cubic centimeters diluted dissolved Distilled Water dried drug ether ethyl evaporation extract ferric chloride ferrous filter filtrate fluidextract fluidrachms formula glycerin grains grammes H₂O heat hundred cubic centimeters hundred grammes hydrochloric acid hydrogen impurities insoluble iodide iodine iron liquid litmus-paper macerate manufacture mass menstruum mercury metallic milligrammes mixed mixture molecules nitrate nitric acid obtained odor odorless official ointment oxide percolate pharmacopoeia pills potassium hydroxide powder precipitate prepared produced quinine reaction recipe Remarks residue resin salt sodium sodium carbonate soluble specific gravity substance sufficient quantity sugar sulphate sulphide sulphuric acid syrup taste temperature Tests for Identity.-Given thousand cubic centimeters tincture triturated tube valence volatile oil water of crystallization water-bath weight well-stoppered bottles yellow yields zinc
Popular passages
Page 808 - Menthol occurs as colorless, acicular or prismatic crystals, having a strong and pure odor of peppermint and a warm, aromatic taste, followed by a sensation of cold when air is drawn into the mouth.
Page 464 - Great caution should be observed in handling it, as dangerous explosions are liable to occur when it is heated or subjected to concussion or trituration with organic substances (Cork, Tannic Acid, Sugar, etc.), or with Sulphur, Antimony Sulphide, Phosphorus, or other easily oxidi2able substances.
Page 639 - A mixture of hydrocarbons, chiefly of the methane series, obtained by distilling off the lighter and more volatile portions from petroleum, and purifying the residue.
Page 497 - A white, very bulky, and very fine powder, without odor, and having an earthy, but not a saline, taste. On exposure to the air, it slowly absorbs moisture and carbon dioxide.
Page 253 - Alcohol 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.
Page 250 - 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 553 - Dissolve ten grammes of balsam of tolu in fifteen mils of ether, shake the pills with a sufficient quantity of this solution until they are uniformly coated, and put them on a plate to dry, occasionally rolling them about until the drying is completed. Keep the pills in a well-stoppered bottle.
Page 679 - AND USES : Glycerin is used in medicine chiefly as a solvent in preparing glycerites, and as a sweetening agent or vehicle in place...
Page 900 - The neutral sulphate of an alkaloid obtained from the bark of several species of cinchona (nat.
Page 673 - White, deliquescent, rhombohedral crystals, having a slight characteristic odor. Very soluble in water, alcohol, and ether. The aqueous solution, on boiling, is decomposed, with the formation of chloroform and carbon dioxide.