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Carrier-mediated transport of rare earth elements through liquid membranes

IV. Transport of Sc, Y, Ce, Eu, Gd, Tm, Yb through a supported liquid membrane containing TBP

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Abstract

Transport of tervalent REEs — Sc, Y, Ce, Eu, Gd, Tm, Yb — from nitrate medium through a liquid membrane containing TBP in n-dodecane, impregnated on a flat-sheet nucleoporous support, has been studied as a function of time and initial metal concentration, salting-out agent concentration and pH of the feed phase. Influences of various complexing agents dissolved in the strip phase was investigated, too. Adding a suitable amount of EDTA into the feed phase, separation of binary mixtures of REEs was experimentally achieved.

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Authors and Affiliations

  1. Department of Nuclear Chemistry, Faculty of Sciences, Comenius University, CS-84215, Bratislava, (Czecho-Slovakia)

    R. Kopunec & Th. Ngo Manh

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  1. R. Kopunec
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  2. Th. Ngo Manh
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Kopunec, R., Ngo Manh, T. Carrier-mediated transport of rare earth elements through liquid membranes. Journal of Radioanalytical and Nuclear Chemistry, Articles 163, 131–144 (1992). https://doi.org/10.1007/BF02037488

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  • DOI: https://doi.org/10.1007/BF02037488

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