Examination of water for sanitary and technical purposesBlakiston, 1889 - 98 pages |
From inside the book
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Page 22
... The water is placed in a porcelain dish or in a beaker standing on a white surface , a few drops of potassium chromate solution added , and standard silver nitrate solution run in from a burette until a faint red 22 ANALYTICAL OPERATIONS .
... The water is placed in a porcelain dish or in a beaker standing on a white surface , a few drops of potassium chromate solution added , and standard silver nitrate solution run in from a burette until a faint red 22 ANALYTICAL OPERATIONS .
Page 23
... drops of sodium chloride solution . The water should always be as nearly neutral as possible before titration . If acid , it must be neutralized by the addition of some precipitated calcium carbonate . NITROGEN IN AMMONIUM COMPOUNDS AND ...
... drops of sodium chloride solution . The water should always be as nearly neutral as possible before titration . If acid , it must be neutralized by the addition of some precipitated calcium carbonate . NITROGEN IN AMMONIUM COMPOUNDS AND ...
Page 29
... drops of strong sulphuric acid , and the dish gently warmed . The liquid is then diluted with about 25 c.c. of water , ammonium hydroxide added in excess , and the solu- tion made up to 100 c.c. The reactions are : - Acid phenyl ...
... drops of strong sulphuric acid , and the dish gently warmed . The liquid is then diluted with about 25 c.c. of water , ammonium hydroxide added in excess , and the solu- tion made up to 100 c.c. The reactions are : - Acid phenyl ...
Page 36
... drops of the potassium iodide solution added to remove the pink color . After thorough admixture the thiosulphate solution is run in from a burette until the yellow color is nearly destroyed , a few drops of the starch solution added ...
... drops of the potassium iodide solution added to remove the pink color . After thorough admixture the thiosulphate solution is run in from a burette until the yellow color is nearly destroyed , a few drops of the starch solution added ...
Page 38
... drops of a dilute solution of ferric chloride added and ammonia in slight excess . The precipitate of ferric hydroxide , which contains all the phosphate , is filtered off and dissolved on the filter by the smallest possible quantity of ...
... drops of a dilute solution of ferric chloride added and ammonia in slight excess . The precipitate of ferric hydroxide , which contains all the phosphate , is filtered off and dissolved on the filter by the smallest possible quantity of ...
Common terms and phrases
alkaline ammonia ammonium compounds amount Analysis Analytical Process Anatomy boiling bottle calcium carbonate calcium sulphate carbonic acid Chemistry Cloth color Compend corrosion crucible cylinder determination Diseases of Women dish dissolved distilled water evaporated to dryness examination excess filter filtrate flask Formulæ Fourth Edition free acid glass grams of pure heated Hospital hydrochloric acid Illus Illustrations Interleaved for Notes iron Jefferson Medical College Leather liquid liter lithium magnesium chloride manganese Materia Medica Medicine method microbes milligrams Nessler's reagent nitrogen Obstetrics obtained odor organic matter oxidation oxygen oxygen-consuming power Pharmacy Philadelphia phosphates Physiology platinum potassium chromate potassium permanganate Practical precipitate present Prof proportion Quiz-Compends residue Revised sample sanitary silver nitrate small quantity sodium carbonate sodium chloride sodium hydroxide solu solution added Solutions Required stopper Students subsoil water sufficient sulphide sulphuric acid Surgery temperature TEXT-BOOKS AND MANUALS Therapeutics tion total solids traces tube turbid Urine washed water containing weight