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Solvent extraction of Nd, Eu, Gd, Yb, Th, Pa, and Np in the form of thenoyltrifluoroacetonates from molten alkaline nitrates

J. Foos, R. Guillaumont

Abstract

Solvent extraction of Nd, Eu, Gd, Yb, Th, Pa and Np at 150 deg from a molten LiNO/sub 3//KNO/sub 3/(1/2) eutecic by TTA in a polyphenyl mixture has been studied. Discussion about partition of solvated cations and plots of the log distribution coefficients of these elements versus log free TTA concentration in the organic phase are reported. (auth)

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Available abstract

Key concepts: Partition coefficient, Chemistry, Extraction (chemistry), Solvent extraction, Solvent, Inorganic chemistry, Lanthanide, Phase (matter)