Lanthanoid complexes with thenoyltrifluoroacetone and 4-tert-butylcalix[4]arene-tetraacetic acid tetraethyl ester: synergistic extraction and separation
作者： Maria Atanassova
DOI: 10.1007/S00604-011-0609-0
关键词:
摘要: The solvent extraction of fourteen lanthanoid ions with thenoyltrifluoroacetone (HTTA) in combination tetraethyl 4-tert-butylcalix[4]arene-tetraacetic acid ester (S) from a perchlorate medium at constant ionic strength was investigated. extracted species were identified as the Ln(TTA)3·S complexes by slope analysis. Equilibrium constants, parameters for extraction, and synergistic separation factors between two adjacent Ln(III) determined.
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