A Fluorous Biphasic Solvent Extraction System for Lanthanides with a Fluorophilic β-Diketone Type Extractant

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  • NAKAMURA Etsuko
    Department of Applied Chemistry, Faculty of Science and Technology, Keio University
  • HIRUTA Yuki
    Department of Applied Chemistry, Faculty of Science and Technology, Keio University
  • WATANABE Takafumi
    Department of Applied Chemistry, Faculty of Science and Technology, Keio University
  • IWASAWA Naoko
    Department of Applied Chemistry, Faculty of Science and Technology, Keio University
  • CITTERIO Daniel
    Department of Applied Chemistry, Faculty of Science and Technology, Keio University
  • SUZUKI Koji
    Department of Applied Chemistry, Faculty of Science and Technology, Keio University

書誌事項

公開日
2015
資源種別
journal article
DOI
  • 10.2116/analsci.31.923
公開者
社団法人 日本分析化学会

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説明

The properties of a fluorous solvent extraction system for trivalent lanthanide metal ions are reported. A fluorinated extractant, 4,4,5,5,6,6,7,7,8,8,9,9,9-tridecafluoro-1-(2-thienyl)-1,3-nonanedione, and HFE-7200 (C4F9OC2H5) as the extraction solvent were chosen. With this fluorous extractant/solvent combination, higher extraction ratios and separation factors compared to a conventional organic solvent system (thenoyltrifluoroacetone in CHCl3) were achieved for 5 heavy lanthanide ions (Lu, Yb, Tm, Er and Ho). On the other hand, light lanthanide ions (Nd, Pr, Ce and La) are hardly extracted, therefore enabling the mutual separation of light lanthanides from middle or heavy lanthanide ions.

収録刊行物

  • Analytical Sciences

    Analytical Sciences 31 (9), 923-928, 2015

    社団法人 日本分析化学会

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