1961•Bulletin of the Chemical Society of JapanOpen access

Chemical Studies on Radioactive Indicators. XXIV. Separation of Rhenium from Technetium by the Distillation Method

Mutsuo Koyama

Abstract

Abstract The separation of rhenium from technetium was investigated. Pertechnetate is reduced to non-volatile species by the use of hydroxylamine, but perrhenate is not reduced by such an agent. Rhenium is distilled out with steam from sulfuric acid medium and technetium remains in the solution containing hydroxylamine. Rhenium from carrier-free amounts up to 10 mg. can be separated quantitatively from technetium by this method.

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Key concepts: Rhenium, Perrhenate, Chemistry, Technetium, Pertechnetate, Hydroxylamine, Radiochemistry, Technetium-99