Chemical News and Journal of Industrial Science, Tomy 101-102Chemical news office., 1910 |
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Strona 2
... material containing niobic acid ; it had been prepared in the course of earlier experiments in this laboratory . The impurities present in this niobic acid were titanium , tin , iron , and ammonia , the last in all probability due to ...
... material containing niobic acid ; it had been prepared in the course of earlier experiments in this laboratory . The impurities present in this niobic acid were titanium , tin , iron , and ammonia , the last in all probability due to ...
Strona 3
... material , it must be added the niobic acid used was free from tantalic , sulphuric , and silicic acids . To test for tantalic acid , some granules of the niobic acid were dissolved by warming with hydrofluoric acid and neutralised with ...
... material , it must be added the niobic acid used was free from tantalic , sulphuric , and silicic acids . To test for tantalic acid , some granules of the niobic acid were dissolved by warming with hydrofluoric acid and neutralised with ...
Strona 21
... material in which many of the known rare metals , and probably certain of the missing links in the Periodic Table , would be found . 66 RÖNTGEN SOCIETY . Ordinary Meeting , January 6th , 1910 . Skotographic and Electroscopic Effects of ...
... material in which many of the known rare metals , and probably certain of the missing links in the Periodic Table , would be found . 66 RÖNTGEN SOCIETY . Ordinary Meeting , January 6th , 1910 . Skotographic and Electroscopic Effects of ...
Strona 31
... material the residue of ceric hydroxide generally retains some of the cerium earths , so that the treatment with chlorine must be repeated . Two disadvantages associated with this method , therefore , are the preparation and use of ...
... material the residue of ceric hydroxide generally retains some of the cerium earths , so that the treatment with chlorine must be repeated . Two disadvantages associated with this method , therefore , are the preparation and use of ...
Strona 33
... material has been loaded up . In small plants , where only a small charge is required , the materials can be weighed as follows : -The poises corresponding to each constituent are set at the required weight , the barrow is brought on ...
... material has been loaded up . In small plants , where only a small charge is required , the materials can be weighed as follows : -The poises corresponding to each constituent are set at the required weight , the barrow is brought on ...
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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