Chemical News and Journal of Industrial Science, Tomy 101-102Chemical news office., 1910 |
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Strona 1
... known of the subject , are still worth reading , and clearly show how the way was paved for subsequent discoveries . Turning over the pages of the early volumes one cannot but be struck with the thought how much was known , and again ...
... known of the subject , are still worth reading , and clearly show how the way was paved for subsequent discoveries . Turning over the pages of the early volumes one cannot but be struck with the thought how much was known , and again ...
Strona 2
... known for niobium . covering methods for the quantitative determination of the The experimental investigation therefore aimed at dis- acid earths and their preparation in the pure state . In the description of the different experiments ...
... known for niobium . covering methods for the quantitative determination of the The experimental investigation therefore aimed at dis- acid earths and their preparation in the pure state . In the description of the different experiments ...
Strona 25
... known at the time as braunstein , in Swedish Brun - sten , or magnesia nigra . Wishing to ascer- tain the action upon this substance of all the common acids , he treated it with hydrochloric among others , and thus first prepared ...
... known at the time as braunstein , in Swedish Brun - sten , or magnesia nigra . Wishing to ascer- tain the action upon this substance of all the common acids , he treated it with hydrochloric among others , and thus first prepared ...
Strona 31
... known processes for the separation of cerium from lanthanum and didymium is that of Mosander ( Fourn . Prakt . Chem . , xxx . , 267 ) . This process consists in passing chlorine gas into a mixture of the hydroxides suspended in a ...
... known processes for the separation of cerium from lanthanum and didymium is that of Mosander ( Fourn . Prakt . Chem . , xxx . , 267 ) . This process consists in passing chlorine gas into a mixture of the hydroxides suspended in a ...
Strona 35
... known that the salts of trivalent titanium give with oxalic acid in aqueous solution a yellow coloration . Pyrocatechin also gives an orange- yellow coloration with titanium trichloride , and this colour precipitate is obtained ...
... known that the salts of trivalent titanium give with oxalic acid in aqueous solution a yellow coloration . Pyrocatechin also gives an orange- yellow coloration with titanium trichloride , and this colour precipitate is obtained ...
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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