Air, Water, and Food from a Sanitary StandpointJ. Wiley & sons, 1909 - 278 sider |
Inni boken
Resultat 1-5 av 18
Side 12
... practical application of this principle is made in the devices used in diving and in entering mines filled with irre- spirable gases . There is a sensible effort in breathing , and a feeling of discomfort is usually experienced , if the ...
... practical application of this principle is made in the devices used in diving and in entering mines filled with irre- spirable gases . There is a sensible effort in breathing , and a feeling of discomfort is usually experienced , if the ...
Side 20
... practical " architect all such details . In any case , it often becomes necessary to call in the chemist to prove the need of reform , or to show by the composition of the air whether or not the ventilating plant is doing its work ...
... practical " architect all such details . In any case , it often becomes necessary to call in the chemist to prove the need of reform , or to show by the composition of the air whether or not the ventilating plant is doing its work ...
Side 41
... practical work , it is out of the question to measure the test solution by means of an ordinary pipette or to preserve it for any length of time in stoppered vials ; the strength of the solution is almost certain to be reduced by ...
... practical work , it is out of the question to measure the test solution by means of an ordinary pipette or to preserve it for any length of time in stoppered vials ; the strength of the solution is almost certain to be reduced by ...
Side 56
... practical chemist . " Dust and Soot . - The dust in the air may be estimated by drawing a measured volume through tubes packed with cot- ton and noting the increase in weight . Soot may be deter- mined by drawing the air through ...
... practical chemist . " Dust and Soot . - The dust in the air may be estimated by drawing a measured volume through tubes packed with cot- ton and noting the increase in weight . Soot may be deter- mined by drawing the air through ...
Side 96
... practical work . Collection of Samples . - For the collection of water sam- ples , glass - stoppered bottles of about a gallon capacity are best . Those used in this laboratory are of white glass , fifteen inches high to the top of the ...
... practical work . Collection of Samples . - For the collection of water sam- ples , glass - stoppered bottles of about a gallon capacity are best . Those used in this laboratory are of white glass , fifteen inches high to the top of the ...
Andre utgaver - Vis alle
Air, Water, and Food from a Sanitary Standpoint Ellen Henrietta Richards,Alpheus Grant Woodman Uten tilgangsbegrensning - 1909 |
Air, Water and Food from a Sanitary Standpoint Ellen Henrietta Richards,Alpheus Grant Woodman Uten tilgangsbegrensning - 1911 |
Air, Water, and Food from a Sanitary Standpoint Ellen Henrietta Richards,Alpheus Grant Woodman Uten tilgangsbegrensning - 1909 |
Vanlige uttrykk og setninger
acetic adulterated alcohol algæ alkaline ammonia ammonium amount apparatus barium hydroxide beaker boiling bottle burette butter c.c. of water carbohydrates carbon dioxide casein cent Chem Chemistry chlorine color compounds contain cubic centimeters determination digestion dilute dish dissolved distilled water Elements Engineering ether evaporate extract Fehling's solution filter filtrate flask glass grams heat hydrochloric acid ignited inches iodine laboratory Large 12mo liquid liter Manual Materials Mechanics method micro-organisms milk mineral minutes Nessler nitric acid nitrogen obtained odor organic matter oxidation oxygen phenolphthalein pipette platinum polluted portion potassium precipitate present proteids quantity residue rubber salts sample Sanitary sewage shaking sodium carbonate sodium hydroxide solids soluble solution specific gravity standard starch stopper stream substances sugar sulphate sulphuric acid surface-waters Tables temperature Text-book thiosulphate tion titration Treatise tube vanillin vegetable volume wash water-bath water-supply weight wine ΙΟ
Populære avsnitt
Side 160 - That the term blend as used herein shall be construed to mean a mixture of like substances, not excluding harmless coloring or flavoring ingredients used for the purpose of coloring and flavoring only: And...
Side 157 - That for the purposes of this act an article shall be deemed to be adulterated: In case of drugs: First, If, when a drug is sold under or by a name recognized In the United States Pharmacopoeia...