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
Results 1-5 of 55
Page 7
... boiling - flasks or retorts ( of about a litre capacity ) , one of which is seen attached to the con- denser in figure 25 . 12. Glass stirring - rods . 13. A small glass - stoppered bottle ( 250 c.c. ) for the soap test . 14. Glass ...
... boiling - flasks or retorts ( of about a litre capacity ) , one of which is seen attached to the con- denser in figure 25 . 12. Glass stirring - rods . 13. A small glass - stoppered bottle ( 250 c.c. ) for the soap test . 14. Glass ...
Page 12
... boiling flasks . 32. A " desiccator . " A desiccator is simply a glass shade inside of which there is a vessel containing some FIG . 21. - A desiccator . agent which will keep the air free from moisture ( such as strong sulphuric acid ) ...
... boiling flasks . 32. A " desiccator . " A desiccator is simply a glass shade inside of which there is a vessel containing some FIG . 21. - A desiccator . agent which will keep the air free from moisture ( such as strong sulphuric acid ) ...
Page 15
... Boiling point = 100 Réaumur = O " " " " 99 = 80 Fahrenheit 99 99 = 32 = 212 " " " " Réaumur Fahrenheit - 32 . = = 5 4 9 .. Centigrade .. To convert Centigrade to Fahr . × 9 ÷ 5 and add 32 . " " " " Fahr . to Centigrade subtract 32 and ...
... Boiling point = 100 Réaumur = O " " " " 99 = 80 Fahrenheit 99 99 = 32 = 212 " " " " Réaumur Fahrenheit - 32 . = = 5 4 9 .. Centigrade .. To convert Centigrade to Fahr . × 9 ÷ 5 and add 32 . " " " " Fahr . to Centigrade subtract 32 and ...
Page 37
... boiling . No better clue to the presence of organic matter can well be imagined than an estimation based upon the ... boiled with the hydrated alkalies . extremely recent organic pollution , although very little of the ORGANIC MATTER IN ...
... boiling . No better clue to the presence of organic matter can well be imagined than an estimation based upon the ... boiled with the hydrated alkalies . extremely recent organic pollution , although very little of the ORGANIC MATTER IN ...
Page 39
... boiling flask or retort , most conveniently of about a litre capacity . This must be supported upon a four footed iron stand across the top of which a piece of wire gauze has been placed , and then attached to the condensing apparatus ...
... boiling flask or retort , most conveniently of about a litre capacity . This must be supported upon a four footed iron stand across the top of which a piece of wire gauze has been placed , and then attached to the condensing apparatus ...
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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.