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Separation of metallic impurities from uranium by anion exchange on Dowex 1×8 resin

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Abstract

The separation of metallic impurities from uranium by anion exchange with a Dowex 1×8 resin has been investigated. The following elements can be quantitatively separated from 400 mg uranium using a 1 cm diameter 15 or 30 cm long column. The elements Ag, Al, Ba, Ca, Cr, Cs, K, Mg, Mn, Na, Ni, Rb, REE, Sc, Th, Ti and Y can be separated by eluting the elements with conc. HCl. Uranium is retained by the resin. Al, Ca, Cd, Co, Cr, Cu, Fe, Mg, Mn, Na, REE and V can be separated by eluting with 0.01 N H2SO4. Uranium is retained by the resin. Cd and Zn can be separated by first eluting uranium with 0.5 N HCl and then eluting Cd and Zn with 1 N NH3. Hf, Zr and V can be separated by eluting with 5 N HCl but some uranium contamination is unavoidable.

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Authors and Affiliations

  1. Reactor Laboratory, Technical Research Centre of Finland, SF-02150, Espoo, (Finland)

    R. J. Rosenberg & A. -M. Forsbacka

  2. Chilean Nuclear Energy Commission, La Reina, Santiago, (Chile)

    N. Gras

Authors
  1. R. J. Rosenberg
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  2. A. -M. Forsbacka
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  3. N. Gras
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Rosenberg, R.J., Forsbacka, A.M. & Gras, N. Separation of metallic impurities from uranium by anion exchange on Dowex 1×8 resin. Journal of Radioanalytical and Nuclear Chemistry, Articles 152, 117–126 (1991). https://doi.org/10.1007/BF02042146

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  • DOI: https://doi.org/10.1007/BF02042146

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