Chemical News and Journal of Industrial Science, Tomy 101-102Chemical news office., 1910 |
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Strona 9
... described above . The number of cc . of standard permanganate used in the titration of the reduced solutions in the test - tube minus three times the number of cc . used in the titration after reduction with sulphur dioxide gives the ...
... described above . The number of cc . of standard permanganate used in the titration of the reduced solutions in the test - tube minus three times the number of cc . used in the titration after reduction with sulphur dioxide gives the ...
Strona 25
... described , but nothing further relating to chlorine occurs until the behaviour of the mineral with hydrochloric acid is again and more fully described in sections 23 to 26. At the beginning of section 23 , referring to the effects ...
... described , but nothing further relating to chlorine occurs until the behaviour of the mineral with hydrochloric acid is again and more fully described in sections 23 to 26. At the beginning of section 23 , referring to the effects ...
Strona 28
... described above , care being taken not to use an excess of soda or saltpetre . It is sufficient to use about double the quantity of soda , and to be very sparing with the saltpetre which is added later . After dissolving the melt with ...
... described above , care being taken not to use an excess of soda or saltpetre . It is sufficient to use about double the quantity of soda , and to be very sparing with the saltpetre which is added later . After dissolving the melt with ...
Strona 35
... described at the be- ginning of last year ( Phil . Trans . , 1909 , Series A , ccix . , 379-413 ) ; and , in addition , to a series of measurements of the electricity of snow made during the winter of 1908-09 . Electricity of Rain and ...
... described at the be- ginning of last year ( Phil . Trans . , 1909 , Series A , ccix . , 379-413 ) ; and , in addition , to a series of measurements of the electricity of snow made during the winter of 1908-09 . Electricity of Rain and ...
Strona 39
... described . Examination of an ordinary gas - washing bottle shows it to be most unscientific in principle . Unless a large re- sistance pressure is to be obtained , the amount of liquid must be kept small . In ordinary use the apparatus ...
... described . Examination of an ordinary gas - washing bottle shows it to be most unscientific in principle . Unless a large re- sistance pressure is to be obtained , the amount of liquid must be kept small . In ordinary use the apparatus ...
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acetic acid action alcohol alkaline aluminium ammonia ammonium amount analysis apparatus atomic weight B.Sc barium boiling bromide calcium calculated carbon dioxide cent Chem chemical Chemistry chemists chloride colour comet compounds concentrated condensation containing copper crystalline D.Sc decomposed derivatives determination dilute dissolved distilled ether ethyl evaporated excess experiments filter filtrate flask formed formula gives gold grms heated hydrochloric acid hydrogen hydroxide invertase iodide iodine iron J. J. Thomson ketone liquid melting metal method mgrms mineral mixture molecular molecules muriatic niobic nitrate nitric acid obtained oxide oxidised oxygen paper perchloric acid permanganate phosphorus platinum potassium precipitate prepared present Prof pure quantity reaction reduced residue salt sample scandium silver phosphate Society sodium sodium carbonate soluble substance sugar sulphate sulphide sulphuric acid tantalic acid tantalum telluride tellurium temperature theory tion titanic acid titanium tube vanadium vapour washed ytterbium zinc