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 11
... known as " the two foot tube , " employed in judging some of the physical characters of water . 29. A box of test papers , red and blue litmus and lead papers . 30. A long thermometer graduated in Fahrenheit degrees . 31. Indiarubber ...
... known as " the two foot tube , " employed in judging some of the physical characters of water . 29. A box of test papers , red and blue litmus and lead papers . 30. A long thermometer graduated in Fahrenheit degrees . 31. Indiarubber ...
Page 22
... known , the water which has been ' standing over night in the pipes is very liable to show traces of lead , whereas the rest of the water drawn throughout the day may be quite free from this metal ; it might therefore be contended ...
... known , the water which has been ' standing over night in the pipes is very liable to show traces of lead , whereas the rest of the water drawn throughout the day may be quite free from this metal ; it might therefore be contended ...
Page 30
... known ; peat , for example , present to quite a harmless extent , will often colour a water highly . The importance of the test , per se , does not seem to warrant any attempt at definite measure- ment . 3. Taste . The pleasant taste of ...
... known ; peat , for example , present to quite a harmless extent , will often colour a water highly . The importance of the test , per se , does not seem to warrant any attempt at definite measure- ment . 3. Taste . The pleasant taste of ...
Page 32
... known terms as " musty , " " horse - pond - like , " " pig - odour , " " fishy , " and " cucumber - like . " A distinctly putrid odour is characteristic of large quantities of decomposing animal or vegetable matter , and an urinous ...
... known terms as " musty , " " horse - pond - like , " " pig - odour , " " fishy , " and " cucumber - like . " A distinctly putrid odour is characteristic of large quantities of decomposing animal or vegetable matter , and an urinous ...
Page 34
... known , has a strong natural tendency to resolve itself under suitable con- ditions of temperature , air and moisture , into simpler parts , by fermentation , eremacausis and putrefaction . In the process of fermentation numerous minute ...
... known , has a strong natural tendency to resolve itself under suitable con- ditions of temperature , air and moisture , into simpler parts , by fermentation , eremacausis and putrefaction . In the process of fermentation numerous minute ...
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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.