Examination of water for sanitary and technical purposesBlakiston, 1889 - 98 pages |
From inside the book
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Page 22
... treated as below , and the amount of silver solution required noted . Each c . c . of the sodium chloride solution is equivalent to .001 chlorine . Potassium Chromate . - 5 grams of potassium chromate are dissolved in 100 c.c. of ...
... treated as below , and the amount of silver solution required noted . Each c . c . of the sodium chloride solution is equivalent to .001 chlorine . Potassium Chromate . - 5 grams of potassium chromate are dissolved in 100 c.c. of ...
Page 25
... treated with sodium carbonate , about one gram to the liter , and boiled until about one - fourth has been evaporated . Absolutely ammonia - free water may be obtained by distil- ling in a glass vessel , water made slightly acid with ...
... treated with sodium carbonate , about one gram to the liter , and boiled until about one - fourth has been evaporated . Absolutely ammonia - free water may be obtained by distil- ling in a glass vessel , water made slightly acid with ...
Page 29
... treated as above , and made up to 100 c.c. The color produced is compared to that given by the water ; and one or ... treated as above , and made up to 100 c.c. .000 I 5 .0005 gram N per 100 c.c. ΙΟ .0050 66 1000 " Suppose 100 c.c. water ...
... treated as above , and made up to 100 c.c. The color produced is compared to that given by the water ; and one or ... treated as above , and made up to 100 c.c. .000 I 5 .0005 gram N per 100 c.c. ΙΟ .0050 66 1000 " Suppose 100 c.c. water ...
Page 30
Henry Leffmann. Suppose 100 c.c. water similarly treated is found to re- quire dilution to 150 c.c. before the tint will match that of the standard ; then 100 150.005 : .0075 i . e . , water contains 7.5 milligrams of nitrogen as NO ...
Henry Leffmann. Suppose 100 c.c. water similarly treated is found to re- quire dilution to 150 c.c. before the tint will match that of the standard ; then 100 150.005 : .0075 i . e . , water contains 7.5 milligrams of nitrogen as NO ...
Page 32
... treated with the reagents as above . In the presence of nitrites a pink color is produced , which in dilute solutions may require half an hour for complete development . At the end of this time the two solutions are compared , the ...
... treated with the reagents as above . In the presence of nitrites a pink color is produced , which in dilute solutions may require half an hour for complete development . At the end of this time the two solutions are compared , the ...
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