Chemical News and Journal of Industrial Science, Tomy 101-102Chemical news office., 1910 |
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Strona 4
... hydrogen into the warmed ammoniacal solution until it was saturated ; the ferrous sulphide thus formed can be ... hydrogen peroxide . The titanium compound in question is dissolved in sulphuric acid , and hydrogen peroxide is added when ...
... hydrogen into the warmed ammoniacal solution until it was saturated ; the ferrous sulphide thus formed can be ... hydrogen peroxide . The titanium compound in question is dissolved in sulphuric acid , and hydrogen peroxide is added when ...
Strona 11
... hydrogen dioxide on thiocarbamide and some of its derivatives in neutral and alkaline solution has been studied , and evidence was brought forward to show that under these conditions sulphinic acids are formed . 292. " Chlorination and ...
... hydrogen dioxide on thiocarbamide and some of its derivatives in neutral and alkaline solution has been studied , and evidence was brought forward to show that under these conditions sulphinic acids are formed . 292. " Chlorination and ...
Strona 13
... hydrogen peroxide ) is added to it , the niobic acid is precipitated , while the yellow precipitate solution is unchanged . But if a mixture of titanic and niobic acid is fused with soda , the melt is dissolved in phosphoric acid , and ...
... hydrogen peroxide ) is added to it , the niobic acid is precipitated , while the yellow precipitate solution is unchanged . But if a mixture of titanic and niobic acid is fused with soda , the melt is dissolved in phosphoric acid , and ...
Strona 14
... hydrogen gas is led into the filtrate in the cold , a greyish white precipitate is at once formed ; after some time it becomes more voluminous , and contains all the dissolved titanium , while the liquid is quite free from titanium ...
... hydrogen gas is led into the filtrate in the cold , a greyish white precipitate is at once formed ; after some time it becomes more voluminous , and contains all the dissolved titanium , while the liquid is quite free from titanium ...
Strona 15
... hydrogen peroxide , reduced with sulphurous acid , and precipitated with ammonia . The filtrate , which contains the potassium niobate or | tantalate , is acidified with hydrochloric acid , and tested with hydrogen peroxide for titanium ...
... hydrogen peroxide , reduced with sulphurous acid , and precipitated with ammonia . The filtrate , which contains the potassium niobate or | tantalate , is acidified with hydrochloric acid , and tested with hydrogen peroxide for titanium ...
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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