Chemical News and Journal of Industrial Science, Tomy 115-116Chemical news office., 1917 |
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Strona 7
... acid solution in platinum vessels . A portion of the product was used for one analysis ( Analysis 2 ) . The remainder was fused in platinum boats in nitrogen charged with hydrobromic acid gas . The fused salt , which contained a very ...
... acid solution in platinum vessels . A portion of the product was used for one analysis ( Analysis 2 ) . The remainder was fused in platinum boats in nitrogen charged with hydrobromic acid gas . The fused salt , which contained a very ...
Strona 10
... acid was 5 molar were made with ammonium ferric alum , after special tests had shown that the two alums gave practically identical results . EXPERIMENTAL PART . The method and apparatus used have been described in a previous article ...
... acid was 5 molar were made with ammonium ferric alum , after special tests had shown that the two alums gave practically identical results . EXPERIMENTAL PART . The method and apparatus used have been described in a previous article ...
Strona 24
... Acids . - J . Bougault . - By the action of iodine upon a very alkaline soda solution of the semicarbazone of benzylpyruvic acid , a - di - iodo - phenyl- butyric acid is deposited as the sodium salt . The free acid fuses at 145 ° . It ...
... Acids . - J . Bougault . - By the action of iodine upon a very alkaline soda solution of the semicarbazone of benzylpyruvic acid , a - di - iodo - phenyl- butyric acid is deposited as the sodium salt . The free acid fuses at 145 ° . It ...
Strona 40
... Acid . In the experiments with chromic acid as oxidising agent the solutions were initially about 0015 molar with respect to CO3 , and contained also definite known amounts of free sulphuric acid . The precaution , employed with ferric ...
... Acid . In the experiments with chromic acid as oxidising agent the solutions were initially about 0015 molar with respect to CO3 , and contained also definite known amounts of free sulphuric acid . The precaution , employed with ferric ...
Strona 41
... acid determined by iodometric method . stage is sufficiently rapid the lower oxidation product will , be oxidised where it is formed ; that is , at the surface of the metal . Thus it may happen that a metal in passing through two stages ...
... acid determined by iodometric method . stage is sufficiently rapid the lower oxidation product will , be oxidised where it is formed ; that is , at the surface of the metal . Thus it may happen that a metal in passing through two stages ...
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