Ionic liquids as a novel solvent for lanthanide extraction

Kazunori Nakashima, Fukiko Kubota, Tatsuo Maruyama, Masahiro Goto

    Research output: Contribution to journalArticlepeer-review

    221 Citations (Scopus)

    Abstract

    Octyl(phenyl)-N,N-diisobutylcarbamoylmethyl phosphine oxide (CMPO) dissolved in an ionic liquids, 1-butyl-3-methyl-imidazolium hexafluorophosphate, greatly enhances extractability and selectivity of lanthanide cations compared to that dissolved in conventional organic solvents; further, the recovery of lanthanides extracted into ionic liquids can be accomplished using several stripping solutions containing complexing agents. The possibility of utilizing ionic liquids as novel separation media in an industrial liquid-liquid extraction process was demonstrated.

    Original languageEnglish
    Pages (from-to)1097-1098
    Number of pages2
    Journalanalytical sciences
    Volume19
    Issue number8
    DOIs
    Publication statusPublished - Aug 1 2003

    All Science Journal Classification (ASJC) codes

    • Analytical Chemistry

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