Studies on Cation Exchange Equilibria for the Uranyl-Hydrogen System

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概要

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• Selectivity coefficients of the uranyl-hydrogen ion exchange system have been determined in a series of sulfonated polystyrene type cation exchange resins in three different degrees of crosslinkage at four different temperatures. The standard free energies of exchange <I>ΔG</I>° and the heats of ex-change <I>ΔH</I> were also estimated from the data of selectivity coefficients determined on the same resins. In general, the selectivity coefficient increased with both crosslinkage and temperature, and decreased with increasing proportion of uranyl in the resin phase. The study was further extended to the ex-change system of uranyl-ammonium in order to ascertain the validity of the magnitudes of selectivity coefficients obtained for the uranyl-hydrogen system. Good results were obtained on the exchange equilibria.

• 一般社団法人 日本原子力学会の論文

著者

• HAGIWARA Zenzi

  Department of Nuclear Engineering, Faculty of Engineering, Tohoku University

関連論文

• Studies on Cation Exchange Equilibria for the Uranyl-Hydrogen System

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