Public health laboratory work, including methods employed in bacteriological research, with special reference to the examination of air, water and food contributedBlakiston, 1893 - 491 pages |
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Page xii
... sulphur Ammonia . The illuminating power Pressure - gauging • Carbonic acid and oxide Tar PART V. FOOD EXAMINATION . CHAPTER I. Composition of cow's milk . The milk of diseased cows The analysis of milk . CHAPTER II . The physical ...
... sulphur Ammonia . The illuminating power Pressure - gauging • Carbonic acid and oxide Tar PART V. FOOD EXAMINATION . CHAPTER I. Composition of cow's milk . The milk of diseased cows The analysis of milk . CHAPTER II . The physical ...
Page 12
... sulphuric acid ) . A residue completely dried by heat will otherwise absorb a little of the vapour from the atmosphere while cooling , and thus increase slightly in weight ( fig . 21 ) . FIG . 22. - A conical sediment glass . 33. A ...
... sulphuric acid ) . A residue completely dried by heat will otherwise absorb a little of the vapour from the atmosphere while cooling , and thus increase slightly in weight ( fig . 21 ) . FIG . 22. - A conical sediment glass . 33. A ...
Page 35
... sulphur and phosphorus , and - as in fermentation - minute or- ganisms develop , which mainly take the form of the ... acid which thus became dissipated . The organic matter therefore was con- siderably over - estimated by this method ...
... sulphur and phosphorus , and - as in fermentation - minute or- ganisms develop , which mainly take the form of the ... acid which thus became dissipated . The organic matter therefore was con- siderably over - estimated by this method ...
Page 59
... acid completely it is necessary to boil the water after acidulation with sulphuric acid , for about twenty minutes ; —and if the amount of oxidisable matter is estimated before and after such boiling , the amount of oxygen absorbed by ...
... acid completely it is necessary to boil the water after acidulation with sulphuric acid , for about twenty minutes ; —and if the amount of oxidisable matter is estimated before and after such boiling , the amount of oxygen absorbed by ...
Page 61
... sulphuric acid . 4. A solution of sodium hyposulphite . 5. A solution of starch . Apparatus required : 1. Two glass stoppered bottles of about 400 c.c. capacity each . 2. A large glass beaker . 3. Two burettes graduated in cubic ...
... sulphuric acid . 4. A solution of sodium hyposulphite . 5. A solution of starch . Apparatus required : 1. Two glass stoppered bottles of about 400 c.c. capacity each . 2. A large glass beaker . 3. Two burettes graduated in cubic ...
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Common terms and phrases
acetic added adulteration alcohol alkaline alum ammonia ammonium sulphide amount analysis animal apparatus appearance atmosphere blue boiling bottle burette butter c.c. of water calcium calcium carbonate carbonic acid cells cent chemical chlorine coal gas collected colour contain copper created cubic cubic centimetres detected dilute dissolved distilled water employed estimation evaporation flask flour gases gelatine grammes granules hydrochloric acid insoluble iron lime liquid liquor potassæ litre magnesium meat method micro-organisms milk milligramme mineral necessary Nessler glass nitrates and nitrites nitrogen nitrous acid odour organic matter oxide oxidised oxygen permanganate placed platinum dish poisonous metals pollution potassium precipitate present pure quantities reaction reagent residue salts sample sediment silica silver nitrate smell sodium carbonate soil soluble specific gravity standard solution starch sterilised substance sugar sulphate sulphuretted hydrogen sulphuric acid temperature tion total solids tube vapour vegetable washed weight yellow zinc
Popular passages
Page 417 - ... that he had no reason to believe at the time when he sold it that the article was otherwise, and that he sold it in the same state as when he purchased it, he shull be discharged from the prosecution, but shall be liable to pay the costs incurred by the prosecutor, unless he shall have given due notice to him that he will rely on the above defence.
Page 341 - ... diseased, or unsound, or unwholesome, or unfit for the food of man, he may seize and carry away the same himself or by an assistant, in order to have the same dealt with by a justice.
Page 495 - The Diseases of Women. Including Diseases of the Bladder and Urethra. By DR. F. WINCKEL, Professor of Gynaecology and Director of the Royal University Clinic for Women, in Munich.
Page 495 - English Edition, revised and improved. 758 pages. This volume was specially prepared to furnish students with a new text-book of Physiology, elementary so far as to avoid theories which have not borne the test of time and such details of methods as are unnecessary for students in our medical colleges.