Neutron Activation Analysis of Halogens in High-Purity Silicon

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概要

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• A trace quantity of chlorine, bromine and iodine was determined simultaneously by neutron activation analysis. By careful distillation of a solution containing the alkali-fused silicon, chromium(VI) oxide and sulfuric acid, bromine and chlorine were distilled out separately, leaving iodine in the residual solution, which was then distilled out after adding oxalic acid.<BR>Most kinds of high-purity silicon contained more than 0.1 ppm of a halogen, which was used in the course of its purification process, and also two other halogens, though of a smaller quantity.

• 公益社団法人 日本化学会の論文

著者

• Baba Hideo

  The Electrical Communication Laboratory

関連論文

• Neutron Activation Analysis of Halogens in High-Purity Silicon

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