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 |
From inside the book
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Page xi
... collected from various sources 231 Marsh air 231 Sewer air 232 Air over burial grounds · 232 The air of mines . 233 The air during fogs • 233 Ground air . 233 CHAPTER IX . Scheme for the detection of gases when CONTENTS . xi.
... collected from various sources 231 Marsh air 231 Sewer air 232 Air over burial grounds · 232 The air of mines . 233 The air during fogs • 233 Ground air . 233 CHAPTER IX . Scheme for the detection of gases when CONTENTS . xi.
Page 25
... contamination , past or present , will readily be detected . It is important , however , to. FIG . 24. Wicker case for the Winchester quart bottle . FIG . 25. The apparatus employed in the estimation of. COLLECTION OF SAMPLES . 25.
... contamination , past or present , will readily be detected . It is important , however , to. FIG . 24. Wicker case for the Winchester quart bottle . FIG . 25. The apparatus employed in the estimation of. COLLECTION OF SAMPLES . 25.
Page 26
Henry Richard Kenwood. be detected . It is important , however , to keep in view the fact that our work resides essentially in the cause of disease prevention , and that our duties and responsi- bilities do not end in returning an ...
Henry Richard Kenwood. be detected . It is important , however , to keep in view the fact that our work resides essentially in the cause of disease prevention , and that our duties and responsi- bilities do not end in returning an ...
Page 28
... detecting this ) will give evidence of its presence in most of the steps which form a complete analysis , and that it is this collective evidence which mainly deter- mines a conclusion , rather than the evidence which any one special ...
... detecting this ) will give evidence of its presence in most of the steps which form a complete analysis , and that it is this collective evidence which mainly deter- mines a conclusion , rather than the evidence which any one special ...
Page 29
... detect this the tube is held verti- cally upon a white porcelain slab , and the observer looks down through the depth of the column of water on to the slab , which forms the background . ANALYSIS . 29 The physical characters.
... detect this the tube is held verti- cally upon a white porcelain slab , and the observer looks down through the depth of the column of water on to the slab , which forms the background . ANALYSIS . 29 The physical characters.
Contents
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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
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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.