Study of the complexes of Np(V) with organic ligands by solvent extraction with TTA and 1, 10-phenanthroline |
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| Authors: | Yasushi Inoue Osamu Tochiyama |
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| Affiliation: | Department of Nuclear Engineering, Faculty of Engineering, Tohoku University, Aramaki-aza-aoba, Sendai 980, Japan |
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| Abstract: | Complex formation constants of Np(V) with 22 organic ligands, 7 hydroxycarboxylic acids, 4 dicarboxylic acids, 4 aminocarboxylic acids, 3 pyridinecarboxylic acids, 8-hydroxyquinoline-5-sulfonic acid, IDA, NTA and EDTA, have been determined in 1M NaClO4 at 25°C by using the solvent extraction method with TTA and 1, 10-phenanthroline. The factors influencing the stabilities of Np(V) complexes are discussed in connection with the linear structure of NpO2+. |
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| Keywords: | Author to whom correspondence should be addressed. |
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