Studies on the Determination of Tellurium and Selenium. II : Determination of Tellurium and Selenium in Presence of Sulfuric Acid with Sulfur Dioxide
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概要
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Tellurium was precipitated quantitatively with sulfur dioxide from the hydrochloric acid solution of 2N even in the presence of 5 ml of sulfuric acid in the total volume of 100ml, but not in a higher concentration than 9N of the hydrochloric acid. Selenium was precipitated quantitatively under the same condition as in the case of tellurium, when the hydrochloric acid concentration was higher than 4 N. Therefore, the separation of tellurium and selenium would be possible also in the presence of sulfuric acid, when selenium was precipitated in a higher concentration than 9N of hydrochloric acid and tellurium was precipitated from the filtrate after diluting the filtrate to 2 N of the acid.
- 東北大学の論文
著者
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Ogawa Tadahiko
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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