Solvent extraction behavior of hexachlorotechnetate(IV) ion in the HCl-TBP system |
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| Authors: | S. Watanabe K. Hashimoto |
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| Affiliation: | (1) Department of Radioisotopes, Japan Atomic Energy Research Institute, 370-1292 Takasaki-shi, Gunma-ken, Japan;(2) Department of Radioisotopes, Japan Atomic Energy Research Institute, 319-1195 Tokai-mura, Ibaraki-ken, Japan |
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| Abstract: | The solvent extraction behavior of [TcCl6]2− in the HCl-TBP system was studied together with that of its aqua complexes. It was deduced from the dependence of the distribution coefficient of [TcCl6]2− both on the HCl and TBP concentrations that a possible form extracted into TBP is H2[TcCl6](TBP)4. The distribution coefficients of aqua complexes of [TcCl6]2− were found to be in the order of [TcCl4(H2O)2]<[TcCl6]2−<[TcCl5(H2O)]−. |
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