Polarographic Determination of Arsenic in Lead Metal
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概要
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Polarographic studies of As^<3+> in various supporting electrolytes were made and the method for the polarographic determination of arsenic was established as follows : (1) In sulfuric acid solution (2.5 N) containing acetic acid (0.5 N), ethyl alcohol (50 per cent) and gelatine (0.01 per cent), 1×10^<-3>〜0.5×10^<-4>M of arsenic was determined by measuring the wave height at the potential from -0.6 to 0.8V. (2) In sulfuric acid solution (1 N) containing manganese sulfate (1 M), 1×10^<-3>〜0.5×10^<-4>M of arsenic was determined by measuring the wave height at the potential from -0.9 to -1.2 V. By using these results the polarographic determination of 0.003〜0.1 per cent of arsenic in lead metal could be made.
- 東北大学の論文
著者
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Ikeda Shigero
The Research Institute For Iron Steel And Other Metals
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Goto Hidehiro
The Research Institute For Iron Steel And Other Metal
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