A Mercury(II) Ion-selective Electrode Based on N,N-Dimethylformamide-salicylacylhydrazone as a Neutral Carrier

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著者

    • Ye Guangrong YE Guangrong
    • Chongqing Key Laboratory of Analytical Chemistry, College of Chemistry and Chemical Engineering, Southwest University
    • Chai Yaqin CHAI Yaqin
    • Chongqing Key Laboratory of Analytical Chemistry, College of Chemistry and Chemical Engineering, Southwest University
    • Yuan Ruo [他] YUAN Ruo
    • Chongqing Key Laboratory of Analytical Chemistry, College of Chemistry and Chemical Engineering, Southwest University
    • DAI Jianyuan
    • Chongqing Key Laboratory of Analytical Chemistry, College of Chemistry and Chemical Engineering, Southwest University

抄録

A new PVC membrane mercury(II) ion electrode based on <i>N</i>,<i>N</i>-dimethylformamide-salicylacylhydrazone (DMFAS) as an ionophore is described, which shows excellent potentiometric response characteristics and displays a linear log[Hg<sup>2+</sup>] <i>versus</i> EMF response over a wide concentration range between 6.2 × 10<sup>-7</sup> and 8.0 × 10<sup>-2</sup> M with a Nerstian slope of 29.6 mV per decade and a detection limit of 5.0 × 10<sup>-7</sup> M. The response time for the electrode is less than 30 s and the electrode can be used for more than 2 months with less than a 2 mV observed divergence in a potentials. The proposed electrode exhibits very good selectivity for mercury(II) ions over many cations in a wide pH range (pH 1 - 4). The electrode was also applied to the determination of a mercury(II) ion in vegetables and in <i>Azolla filiculoides</i>.

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 22(4), 579-582, 2006-04-10

    The Japan Society for Analytical Chemistry

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各種コード

  • NII論文ID(NAID)
    10018123931
  • 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
    7872012
  • 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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