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 vi
... become what one may term " classical , " and is that which is still generally asked in Public Health Examinations ; and since the method is sufficiently accurate , when care- fully performed , for all practical purposes , it was thought ...
... become what one may term " classical , " and is that which is still generally asked in Public Health Examinations ; and since the method is sufficiently accurate , when care- fully performed , for all practical purposes , it was thought ...
Page 19
... becomes necessary , and where the results are expressed in " grains per gallon " the " miniature gallon " may be advantageously chosen . Subjoined is a copy of the Report in use at the Hygienic Laboratory , University College . The ...
... becomes necessary , and where the results are expressed in " grains per gallon " the " miniature gallon " may be advantageously chosen . Subjoined is a copy of the Report in use at the Hygienic Laboratory , University College . The ...
Page 23
... become gener- ally adopted because , in addition to holding an amount which meets all the requirements of an analysis ( even though it be necessary to repeat some of the tests ) , they are strongly made and of a convenient shape ; but ...
... become gener- ally adopted because , in addition to holding an amount which meets all the requirements of an analysis ( even though it be necessary to repeat some of the tests ) , they are strongly made and of a convenient shape ; but ...
Page 27
... en- tered into a book kept for the purpose , and such a record becomes most valuable for making comparisons with future samples of water from the same sources . CHAPTER IV . THE ANALYSIS . IT has been said COLLECTION OF SAMPLES . 27.
... en- tered into a book kept for the purpose , and such a record becomes most valuable for making comparisons with future samples of water from the same sources . CHAPTER IV . THE ANALYSIS . IT has been said COLLECTION OF SAMPLES . 27.
Page 33
... becomes necessary to neutralise any acidity in the sample . Though the most polluted waters from animal organic matter are generally decidedly alkaline from the carbonate of ammonia furnished by urine decomposition , yet most waters ...
... becomes necessary to neutralise any acidity in the sample . Though the most polluted waters from animal organic matter are generally decidedly alkaline from the carbonate of ammonia furnished by urine decomposition , yet most waters ...
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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.
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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.