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Selective extraction of the transplutonium and rare-earth elements by trioctylphosphine oxide

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Abstract

In the studies of nuclear reactions of heavy ions with heavy nuclei it is often necessary to determine the yields of TPE. Trioctylphosphine oxide (TOPO) has high selectivity with respect to trivalent TPE and rare earths. The possibility of using target or catcher materials as salting-out agents in the extraction of TPE with TOPO from solutions containing DTPA and lactic acid was investigated. The influence of the concentration of Pb, Bi, Cu, Ni, nitric acid and TOPO on the distribution coefficients was established. The advantages of application of the method for the extraction chromatographic separation of TPE and rare earths from the other elements produced in the interaction of ions with heavy elements are shown.

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Authors and Affiliations

  1. Joint Institute for Nuclear Research, Dubna, P.O.Box 79, 101000, Moscow, (USSR)

    B. Gorski & Yu. S. Korotkin

  2. Kurchatov Atomic Energy Institute, Moscow, (USSR)

    V. N. Kosyakov

Authors
  1. B. Gorski
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  2. Yu. S. Korotkin
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  3. V. N. Kosyakov
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Gorski, B., Korotkin, Y.S. & Kosyakov, V.N. Selective extraction of the transplutonium and rare-earth elements by trioctylphosphine oxide. Journal of Radioanalytical and Nuclear Chemistry Articles 121, 73–81 (1988). https://doi.org/10.1007/BF02041448

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  • DOI: https://doi.org/10.1007/BF02041448

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