Evaluation of the Interactions Between Palladium(Ⅱ) and N,N'-Dimethyl-N,N'-di-n-hexyl-thiodiglycolamide in the Presence of Surfactants Using Capillary Electrophoresis

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  • TANAKA Nana
    Department of Life Science and Applied Chemistry, Graduate School of Engineering, Nagoya Institute of Technology
  • KITAGAWA Shinya
    Department of Life Science and Applied Chemistry, Graduate School of Engineering, Nagoya Institute of Technology
  • OHTANI Hajime
    Department of Life Science and Applied Chemistry, Graduate School of Engineering, Nagoya Institute of Technology
  • IWAMA Yuki
    Nagoya Municipal Industrial Research Institute
  • KONDO Koichiro
    Nagoya Municipal Industrial Research Institute
  • ISHIGAKI Yuzo
    Nagoya Municipal Industrial Research Institute
  • SHIBATA Nobuyuki
    Nagoya Municipal Industrial Research Institute
  • KINOSHITA Takehiko
    Nagoya Municipal Industrial Research Institute
  • KAMIMOTO Yuki
    Institute of Material Innovation, Institutes of Innovation for Future Society, Nagoya University
  • ICHINO Ryoichi
    Institute of Material Innovation, Institutes of Innovation for Future Society, Nagoya University

書誌事項

タイトル別名
  • Evaluation of the Interactions Between Palladium(II) and <i>N</i>,<i>N</i>’-Dimethyl-<i>N</i>,<i>N</i>’-di-<i>n</i>-hexyl-thiodiglycolamide in the Presence of Surfactants Using Capillary Electrophoresis
  • Evaluation of the interactions between palladium(II) and N,N′-dimethyl-N,N′-di-n-hexyl-thiodiglycolamide in the presence of surfactants using capillary electrophoresis

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説明

<p>Continuous counter-current foam separation (CCFS) is a method for the recovery of valuable metals with high selectivity. It was developed as an organic solvent-free method, and the interaction of surfactants and metal ions in aqueous solution is a key precondition for the successful recovery. In this study, the interactions between the anionic complex of palladium(II) chloride and N,N’-dimethyl-N,N’-di-n-hexyl-thiodiglycolamide (MHTDA), which is an extraction agent for palladium(II), were investigated by capillary electrophoresis, in the presence of surfactants (sodium dodecyl sulfate (SDS) or polyoxyethylene mono-4-octylphenyl ether (POOPE)). The addition of MHTDA to an electrophoretic media containing SDS, resulted in electropherograms composed of two or three peaks. On the other hand, in the case of an electrophoretic media containing POOPE, the elimination of palladium (II) peak was observed due to MHTDA addition. This behavior suggested that the palladium-MHTDA neutral complex is rapidly captured in the POOPE micelles compared with the SDS micelles, and the use of POOPE is effective for the successful recovery of palladium(II) in CCFS.</p>

収録刊行物

  • CHROMATOGRAPHY

    CHROMATOGRAPHY 40 (2), 59-63, 2019-06-20

    クロマトグラフィー科学会

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