Chemical News and Journal of Industrial Science, Tomy 139-140Chemical news office., 1929 |
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Strona 210
... solution also showed no im- purity present . The same test for purity was obtained with the potassium cyanide solution ( e.g. , see Fig . I , curve 1 ) . Also other potassium cyanide solutions saturated with zine cyanide , for which ...
... solution also showed no im- purity present . The same test for purity was obtained with the potassium cyanide solution ( e.g. , see Fig . I , curve 1 ) . Also other potassium cyanide solutions saturated with zine cyanide , for which ...
Strona 211
... solution contained an excess of cyanide . " DISCUSSION OF THE RESULTS . Explanation of the three waves : Polarograms II and III show that if we gradually increase the cyanide concentra- tion in a solution of zinc chloride , the wave due ...
... solution contained an excess of cyanide . " DISCUSSION OF THE RESULTS . Explanation of the three waves : Polarograms II and III show that if we gradually increase the cyanide concentra- tion in a solution of zinc chloride , the wave due ...
Strona 386
... solution alkaline with 6 N NaOH . The procedure is then to be followed exactly as given , except that it is necessary to add 5 cc . of CaCl , instead of only 2 cc . Calcium sulphate does not pre- cipitate until the solution is heated ...
... solution alkaline with 6 N NaOH . The procedure is then to be followed exactly as given , except that it is necessary to add 5 cc . of CaCl , instead of only 2 cc . Calcium sulphate does not pre- cipitate until the solution is heated ...
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THE CHEMICAL NEWS | 18 |
Professor Leonard Hill on Right | 24 |
By DR W TOMBROCK | 129 |
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