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Lutetium and Ytterbium Separation by Ion-Exchange Chromatography

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Atomic Energy Aims and scope

The results of separation the heavy rare-earth elements pair lutetium–ytterbium by ion-exchange chromatography are presented. The technological properties of modern absorbers of strong-sulfuric-acid cationites Purolite C160 and Cybber KX 100 are analyzed. The conditions for extracting lutetium with determination of the main factors – complex-forming substance, conditions of utilization, application of different moderators, elution rate, specific load, and others – are studied. It is shown that lutetium–ytterbium separation with production of fractions containing ≥99.9% Lu with concentration 1 g/liter and Yb concentration ≤0.5 mg/liter is possible in principle. A fraction with the maximum lutetium concentration 3.6–3.7 g/liter and ytterbium concentration 0.3–0.37 g/liter, corresponding to lutetium content 91–92%, was separated.

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Authors and Affiliations

  1. All-Russia Research Institute of Chemical Technology (VNIIKhT), Moscow, Russia

    V. D. Kosynkin, T. V. Molchanova & E. V. Zharova

Authors
  1. V. D. Kosynkin
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  2. T. V. Molchanova
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  3. E. V. Zharova
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Translated from Atomnaya Energiya, Vol. 121, No. 6, pp. 346–350, December, 2016.

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Kosynkin, V.D., Molchanova, T.V. & Zharova, E.V. Lutetium and Ytterbium Separation by Ion-Exchange Chromatography. At Energy 121, 443–447 (2017). https://doi.org/10.1007/s10512-017-0225-0

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  • DOI: https://doi.org/10.1007/s10512-017-0225-0

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