The Separation and Determination of Ruthenium in Fission Products by Liquid-Liquid Extraction with Pyridine

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概要

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• The present paper has described a method of separating, by liquid-liquid extraction with pyridine, radioactive ruthenium from fission products and technetium in an aqueous solution containing sodium hydroxide and hypochlorite. In the process, ruthenium in various ionic forms and various oxidation states is oxidized to perruthenate with the hypochlorite, and the perruthenate is transferred into pyridine from the aqueous solution. The partition coefficient of perruthenate was estimated for the carrierfree and the carrier-containing cases, as well as for the case where other fission products were present. Good separation of radioactive ruthenium from other fission products was achieved by this method, with a large decontamination factor. The results were examined by a γ-ray spectrum measured at each step of the extraction process.

• 社団法人 日本化学会の論文

著者

• Sugioka Yasuyuki

  Department of Chemistry Faculty of Science Kanazawa University

• Miura Akiko

  Department of Chemistry Faculty of Science Kanazawa University

• Kiba T.

  Department of Chemistry Faculty of Science Kanazawa University

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• The Separation and Determination of Ruthenium in Fission Products by Liquid-Liquid Extraction with Pyridine

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