Palladium(II)Extraction and Extractant Adsorption at a Liquid/Liquid Interface

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Interfacial tension isotherms were determined for individual palladium(II) extractants and interpreted. The following extractants were considered: 4-alkylphenylamines containing from 6 to 14 carbon atoms in the alkyl group, dihexylsulfide, 2-hydroxyethyldecyl sulfide and its partly fluorinated derivative, decylnicotiniate and N,N-dihexylpyridine-3-carboxamide. 4-Alkylphenylamines exhibited significantly stronger interfacial activity than did the other extractants. They adsorbed at the hydrocarbon/water interfaces already at concentrations 10-5 M and permit to decrease the interfacial tension to 5 mN m-1. As a result, they can be used as a phase transfer catalyst to increase the rate of palladium(II) extraction with other extractants. When used alone, the initial rate of extraction increases with the extractant increasing hydrophobicity, thus in the order of increased interfacial activity.

収録刊行物

  • Analytical sciences : the international journal of the Japan Society for Analytical Chemistry

    Analytical sciences : the international journal of the Japan Society for Analytical Chemistry 14(1), 241-246, 1998-02-10

    社団法人 日本分析化学会

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  • 溶媒抽出機構の速度論的研究

    渡会 仁

    分析化学 45(8), 725-744, 1996-08-05

    CiNii PDF - オープンアクセス  J-STAGE DOI 参考文献140件 被引用文献7件

各種コード

  • NII論文ID(NAID)
    10002414822
  • NII書誌ID(NCID)
    AA10500785
  • 本文言語コード
    ENG
  • 資料種別
    ART
  • ISSN
    09106340
  • NDL 記事登録ID
    4406451
  • NDL 雑誌分類
    ZP4(科学技術--化学・化学工業--分析化学)
  • NDL 請求記号
    Z54-F482
  • データ提供元
    CJP書誌  NDL  J-STAGE 
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