Principles of PharmacySaunders, 1909 - 1175 pages |
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Page 26
... atom of the element sodium and one atom of chlorine to each molecule . K2SO , means a compound containing two atoms of potassium , one atom of sulphur , and four atoms of oxygen to the molecule . Hence it can be seen that the chemical ...
... atom of the element sodium and one atom of chlorine to each molecule . K2SO , means a compound containing two atoms of potassium , one atom of sulphur , and four atoms of oxygen to the molecule . Hence it can be seen that the chemical ...
Page 360
... atom . An atom is the smallest particle which enters into a chemical combination . An atom cannot exist in a free state . Now that we know what atoms and molecules are , we can talk about physics and chemistry . Among the many ...
... atom . An atom is the smallest particle which enters into a chemical combination . An atom cannot exist in a free state . Now that we know what atoms and molecules are , we can talk about physics and chemistry . Among the many ...
Page 361
... atoms . It acts only within the molecule , and is exerted only between definite weights of matter . We have spoken of carbon , hydrogen , oxygen , nitrogen , sulphur , and iron . What are ... atoms of hydrogen , one atom INTRODUCTION 361.
... atoms . It acts only within the molecule , and is exerted only between definite weights of matter . We have spoken of carbon , hydrogen , oxygen , nitrogen , sulphur , and iron . What are ... atoms of hydrogen , one atom INTRODUCTION 361.
Page 362
Henry V. Arny. H2SO , means two atoms of hydrogen , one atom of sulphur , and four atoms of oxygen , making together one molecule of sulphuric acid . KNO , means one atom of potassium , one atom of nitrogen , and three atoms of oxygen ...
Henry V. Arny. H2SO , means two atoms of hydrogen , one atom of sulphur , and four atoms of oxygen , making together one molecule of sulphuric acid . KNO , means one atom of potassium , one atom of nitrogen , and three atoms of oxygen ...
Page 363
... atomic weighs are sufficiently exact . We have explained atomic weight , and it remains to define molecu- lar weight . The molecular weight of a substance is the sum of the atomic . weights of its constituent atoms . Thus , the ...
... atomic weighs are sufficiently exact . We have explained atomic weight , and it remains to define molecu- lar weight . The molecular weight of a substance is the sum of the atomic . weights of its constituent atoms . Thus , 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.