Chemical News and Journal of Industrial Science, Tomy 119-120Chemical news office., 1919 |
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Strona 5
... obtained curves were plotted , using potential differences as abscissas and the galvanometer deflections as ordinates . The point at which the curve shows a decided break is the decomposition value . Sɔme- times the curve , after ...
... obtained curves were plotted , using potential differences as abscissas and the galvanometer deflections as ordinates . The point at which the curve shows a decided break is the decomposition value . Sɔme- times the curve , after ...
Strona 12
... obtained is always practically pure . To prepare the derivative [ Pt.2NH3.12 ] the author has first made a solu- tion of iodoplatinite by heating K2PtCl4 with potassium iodide in aqueous solution , then adding ammonia and The BATTERSEA ...
... obtained is always practically pure . To prepare the derivative [ Pt.2NH3.12 ] the author has first made a solu- tion of iodoplatinite by heating K2PtCl4 with potassium iodide in aqueous solution , then adding ammonia and The BATTERSEA ...
Strona 13
... obtained . In the presence of a considerable excess of SnCl4 , however , the body deposited has the above composition . The following was found to be a good method of obtaining this salt : -45 grms . of benzidine , 50 cc . of water ...
... obtained . In the presence of a considerable excess of SnCl4 , however , the body deposited has the above composition . The following was found to be a good method of obtaining this salt : -45 grms . of benzidine , 50 cc . of water ...
Strona 24
... obtained by boiling I grm . of the finely powdered substance with 20 cc . 3N.Na2CO3 with constant stirring for several minutes . If NH3 is given off continue the boiling ( adding more Na2CO3 solution if necessary ) until no more of this ...
... obtained by boiling I grm . of the finely powdered substance with 20 cc . 3N.Na2CO3 with constant stirring for several minutes . If NH3 is given off continue the boiling ( adding more Na2CO3 solution if necessary ) until no more of this ...
Strona 26
... obtained with CrO4 , PO4 , C204 , AsO3 , AsO4 , and F. These experiments were repeated , using twenty times the theoretical amount of acetic acid neces- sary to hold them in solution , but in each of the above cases a precipitate was ...
... obtained with CrO4 , PO4 , C204 , AsO3 , AsO4 , and F. These experiments were repeated , using twenty times the theoretical amount of acetic acid neces- sary to hold them in solution , but in each of the above cases a precipitate was ...
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