A Treatise on Pharmacy for Students and PharmacistsLea Brothers, 1901 - 776 pages |
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Page 43
... less likely to be upset or broken ; they are admirably adapted for laboratory work , are cylindrical in form , of about the same diameter as tumbler- shaped graduates , and can be had for both metric and apothecaries ' fluid measure ...
... less likely to be upset or broken ; they are admirably adapted for laboratory work , are cylindrical in form , of about the same diameter as tumbler- shaped graduates , and can be had for both metric and apothecaries ' fluid measure ...
Page 47
... less than 1 gramme . In pharmacy and chemistry these slight differences are practically ignored , and hence the terms density and specific gravity are gener- ally used interchangeably , namely , to express the ratio between the mass of ...
... less than 1 gramme . In pharmacy and chemistry these slight differences are practically ignored , and hence the terms density and specific gravity are gener- ally used interchangeably , namely , to express the ratio between the mass of ...
Page 53
... less pressure on the bottom of the container as will equal the weight of 1 cubic inch of water - a fraction over 252 grains and hence will weigh 252 grains less in water than in air . Float- ing bodies always displace their own weight ...
... less pressure on the bottom of the container as will equal the weight of 1 cubic inch of water - a fraction over 252 grains and hence will weigh 252 grains less in water than in air . Float- ing bodies always displace their own weight ...
Page 67
... Graduated cylinder . Another but less accurate method is to weigh the solid by metric weight and then place it in a graduated cylinder containing sufficient water to submerge the solid completely ( see Fig . SPECIFIC GRAVITY . 67.
... Graduated cylinder . Another but less accurate method is to weigh the solid by metric weight and then place it in a graduated cylinder containing sufficient water to submerge the solid completely ( see Fig . SPECIFIC GRAVITY . 67.
Page 68
... less than the weight of the heavy body alone , which is due to the fact that the volume of water equal to the volume of the lighter body is heavier than the latter , and therefore exerts a greater up- ward pressure on the heavy body ...
... less than the weight of the heavy body alone , which is due to the fact that the volume of water equal to the volume of the lighter body is heavier than the latter , and therefore exerts a greater up- ward pressure on the heavy body ...
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Common terms and phrases
acacia acetic acid added alkali alkaloids ammonia ammonia-water ammonium anhydrous arsenic bicarbonate bismuth boiling bottles bromide calcium cent chemical chloride chloroform Cloth color compound condenser containing crystals decomposition dioxide dissolved distilled water dried drug employed emulsion ether evaporation fats ferric ferrous filter filtration fixed oils flask fluid extract fluidounces gelatin glass glycerin grains heat hence hydrochloric acid hydroxide insoluble iodide iodine iron known latter liquid mass medicinal menstruum mercuric metallic mixed mixture mucilage neutral nitrate nitric acid obtained octavo volume odor official ointment oxide percolation pharmacists Pharmacopoeia phosphate pills plates potassa potassium potassium carbonate potassium iodide powder precipitated preparation present quinine reaction readily removed residue resin salicylate salt silver nitrate sodium carbonate soluble solvent specific gravity starch substances sugar sulphate sulphuric acid syrup tablets temperature tincture tion triturated tube vessel volatile oils washed water of crystallization water-bath weight yield zinc
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Page 68 - ... the ratio of the ovendry weight of a sample to the weight of a volume of water equal to the volume of the sample at some specific moisture content, as green, air-dry, or ovendry.