Behavior of zirconium and hafnium ions in ultramicroconcentrations investigated by horizontal zone electrophoresis in free electrolyte* |
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| Authors: | P. I. Ivanov G. A. Bojikov A. N. Priemyshev G. D. Bontchev O. D. Maslov M. V. Milanov S. N. Dmitriev |
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| Affiliation: | (1) Flerov Laboratory of Nuclear Reactions, JINR, Dubna, Russia;(2) Institute for Nuclear Research and Nuclear Energy, Sofia, Bulgaria |
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| Abstract: | The electrophoresis of zirconium and hafnium ions in aqueous solutions was investigated. No-carrier-added 88Zr and 175Hf have been used in microconcentrations (10-11M). The complexation of zirconium and hafnium with DTPA has been investigated in a large pH interval. The stability constants of the Zr-DTPA and Hf-DTPA complexes were determined for the first time by the method of horizontal zone electrophoresis in free electrolyte. The electrophoretic behavior of Zr(IV) and Hf(IV) ions in nitric acid solutions has also been studied. |
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