Chemical News and Journal of Industrial Science, Tomy 101-102Chemical news office., 1910 |
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Strona 3
... effect the removal of iron from the niobic acid by a more rational and , as far as possible , quantitative method . Freshly precipitated niobic and tantalic acid dissolve readily in caustic soda . But the former is partly re - pre ...
... effect the removal of iron from the niobic acid by a more rational and , as far as possible , quantitative method . Freshly precipitated niobic and tantalic acid dissolve readily in caustic soda . But the former is partly re - pre ...
Strona 4
... effect is very marked when ignited titanic acid is being dissolved . Now the two acid earths either when precipitated or dried , but not when ignited , also possess the property of dissolving easily in acids containing hydrogen peroxide ...
... effect is very marked when ignited titanic acid is being dissolved . Now the two acid earths either when precipitated or dried , but not when ignited , also possess the property of dissolving easily in acids containing hydrogen peroxide ...
Strona 7
... effect the reduction of uranyl compounds in solutions not so strongly acid . Reductions were tried on several solutions of uranyl sulphate containing o'1023 grm . of elemental uranium , gravimetrically standardised . In some cases 5 ...
... effect the reduction of uranyl compounds in solutions not so strongly acid . Reductions were tried on several solutions of uranyl sulphate containing o'1023 grm . of elemental uranium , gravimetrically standardised . In some cases 5 ...
Strona 15
... effect is due to the presence of boric acid which has been formed by the hydrolytic decomposition of a solu- tion of borax . This fusion mixture has a very strong solvent effect on niobic and tantalic acid ; a melt which in the liquid ...
... effect is due to the presence of boric acid which has been formed by the hydrolytic decomposition of a solu- tion of borax . This fusion mixture has a very strong solvent effect on niobic and tantalic acid ; a melt which in the liquid ...
Strona 21
... effect , but , even amongst animal tissues , not all would do so . As to the characteristics of the particular substance causing the effect , Dr. Lazarus - Barlow said that he was sure it was not protein , fat , carbohydrate , colouring ...
... effect , but , even amongst animal tissues , not all would do so . As to the characteristics of the particular substance causing the effect , Dr. Lazarus - Barlow said that he was sure it was not protein , fat , carbohydrate , colouring ...
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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