Spectrographic Determination of Microamounts of Arsenic, Antimony, Bismuth, Tin and Lead
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概要
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After calcium nitrate (used as the spectroscopic buffer) and cadmium nitrate (used as the internal standard) were added to the sample solution, the mixed solution was evaporated and a part of the nitrate salt deposited was excited in the cavity of graphite electrode by direct current are method with a medium quartz spectrograph. By this salt powder method, at least 3γ of arsenic, 1γ of antimony, 0.3γ of tin and lead, and 0.1γ of bismuth could be determined spectrographically.
- 東北大学の論文
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