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Extraction of U(VI) with poly(ethylene glycol) in two-phase aqueous systems containing various anions

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Abstract

The distribution of U(VI) between the phase of poly(ethylene glycol) (PEG) of various molecular weights (1500, 4000, 6000, and polydisperse PEG115) and aqueous phosphate, sulfate, and carbonate solutions was studied at pH 3– 13. With increasing PEG molecular weight, the distribution factor of U(VI) increases. The extraction isotherms of U(VI) at 20°C were obtained. The scattering of laser radiation in U(VI)-containing poly(ethylene glycol) solutions showed no colloid formation. Along with U(VI), the extraction of several other metals with PEG was studied. The mechanisms of extraction of U(VI) with PEG are discussed.

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Authors and Affiliations

  1. Vernadsky Institute of Geochemistry and Analytical Chemistry, Russian Academy of Sciences, Moscow, Russia

    A. M. Safiulina & I. G. Tananaev

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  1. A. M. Safiulina
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  2. I. G. Tananaev
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Translated from Radiokhimiya, Vol. 46, No. 5, 2004, pp. 423–426.

Original Russian Text Copyright © 2004 by Safiulina, Tananaev.

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Safiulina, A.M., Tananaev, I.G. Extraction of U(VI) with poly(ethylene glycol) in two-phase aqueous systems containing various anions. Radiochemistry 46, 457–460 (2004). https://doi.org/10.1007/s11137-005-0009-6

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  • DOI: https://doi.org/10.1007/s11137-005-0009-6

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