Uranium isotope separation by cation exchange chromatography using uranous sulfate complexes.

SAKUMA Yoichi, OKAMOTO Makoto, KAKIHANA Hidetake

doi:10.1080/18811248.1981.9733321

Uranium isotope separation by cation exchange chromatography using uranous sulfate complexes.

DOI DOI

SAKUMA Yoichi

Research Laboratory for Nuclear Reactors, Tokyo Institute of Technology
OKAMOTO Makoto

Research Laboratory for Nuclear Reactors, Tokyo Institute of Technology
KAKIHANA Hidetake

Research Laboratory for Nuclear Reactors, Tokyo Institute of Technology

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説明

A nearly ideal displacement chromatography has been realized with an eluent of MgSO₄ and H₂SO₄ in the study of uranium isotope separation by means of cation exchange chroma-tography using uranous sulfate complexes. Uranium-235 was enriched at the end of the chromatogram and ²³⁸U was enriched at the front. Two long distance displacement ex-periments have been carried out, keeping an isotopic plateau region on the chromatogram. Consequently, good accumulation of the isotopic fractionation based on uranous-sulfate com-plex formation reactions obtained. The separation coefficient ε of this system was estimated to be about 5×10_-5.