Chemical News and Journal of Industrial Science, Tomy 101-102Chemical news office., 1910 |
Z wnętrza książki
Wyniki 1 - 5 z 100
Strona 6
... grms . of the sample of coke , which has passed a 100 - mesh sieve , are weighed out in a previously weighed platinum dish of the usual round bottom shape , of about 150 cc . capacity , or about three and one - half inches across the ...
... grms . of the sample of coke , which has passed a 100 - mesh sieve , are weighed out in a previously weighed platinum dish of the usual round bottom shape , of about 150 cc . capacity , or about three and one - half inches across the ...
Strona 7
... grms . of zinc , and the ratio of con- centrated acid to water varied from 1 : 6 to 1 : 4 . Kern used sodium carbonate in the titration flask to create an atmosphere of CO2 in order to prevent the oxidation of the uranous solution by ...
... grms . of zinc , and the ratio of con- centrated acid to water varied from 1 : 6 to 1 : 4 . Kern used sodium carbonate in the titration flask to create an atmosphere of CO2 in order to prevent the oxidation of the uranous solution by ...
Strona 17
... grms . of Le Page's liquid glue , to which was added , with stirring , first 3'4 grms . of finely powdered silver nitrate , and then 1'95 grms . of finely powdered potassium chromate , the mixture being stirred with a glass rod until ...
... grms . of Le Page's liquid glue , to which was added , with stirring , first 3'4 grms . of finely powdered silver nitrate , and then 1'95 grms . of finely powdered potassium chromate , the mixture being stirred with a glass rod until ...
Strona 18
... grms . of the substance in 150 cc . of water and filter off from any insoluble residue , through an ashless filter , catching the filtrate in a graduated 250 cc . flask . Wash carefully . The filter is ignited and weighed , and the ...
... grms . of the substance in 150 cc . of water and filter off from any insoluble residue , through an ashless filter , catching the filtrate in a graduated 250 cc . flask . Wash carefully . The filter is ignited and weighed , and the ...
Strona 21
... grms . of naphthalene gave 60 5355 grms . of carbon dioxide , hence i grm . of naphthalene gave 3'4361 grms . of carbon dioxide , whence C = 11.999 . Similarly , with cinnamic acid each grm . ought to yield 267459 grms . of carbon ...
... grms . of naphthalene gave 60 5355 grms . of carbon dioxide , hence i grm . of naphthalene gave 3'4361 grms . of carbon dioxide , whence C = 11.999 . Similarly , with cinnamic acid each grm . ought to yield 267459 grms . of carbon ...
Inne wydania - Wyświetl wszystko
Kluczowe wyrazy i wyrażenia
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