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Separation of uranium and thorium using tris(2-ethylhexyl) phosphate as extractant

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Abstract

The distribution behavior of uranium and thorium has been investigated in a biphasic system of different aqueous nitric acid concentrations and a solution of tris(2-ethylhexyl) phosphate (TEHP) inn-dodecane at 25°C. The effect of different uranium and thorium concentrations in the aqueous phase on the extraction of these metal ions is evaluated. These results indicate that TEHP is a better choice than tri-n-butyl phosphate (TBP) for the separation of233U from the irradiated thorium matrix.

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Authors and Affiliations

  1. Radiochemistry Division, Bhabha Atomic Research Centre, 400 085, Mumbai, India

    P. N. Pathak, R. Veeraraghavan & V. K. Manchanda

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  1. P. N. Pathak
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  2. R. Veeraraghavan
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  3. V. K. Manchanda
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Correspondence to V. K. Manchanda.

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Pathak, P.N., Veeraraghavan, R. & Manchanda, V.K. Separation of uranium and thorium using tris(2-ethylhexyl) phosphate as extractant. J Radioanal Nucl Chem 240, 15–18 (1999). https://doi.org/10.1007/BF02349130

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  • DOI: https://doi.org/10.1007/BF02349130

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