Kinetics of Anodic Oxidation of Sodium Gluconate by Using Graphite Electrode

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The kinetics of anodic oxidation of sodium gluconate was studied. The reciprocal of apparent current shows the reciprocal dependence on the concentration of sodium gluconate. The kinetic model correlated well with the experimental results. The rate determining step was found to be the anodic oxidation of gluconate anion to form gluconate free radical. The current of the anodic oxidation of sodium gluconate can be expressed as<BR><BR><I>i</I> = 0.89[NaC<SUB>6</SUB>H<SUB>11</SUB>O<SUB>7</SUB>]/(0.7357 + [NaC<SUB>6</SUB>H<SUB>11</SUB>O<SUB>7</SUB>])*exp(0.37<I>Fη</I><SUB>2</SUB>/<I>RT</I>)<BR><BR>where <I>F</I> is Faraday's constant and <I>η</I><SUB>2</SUB> is the overpotantial of forming gluconate free radical from gluconate anion.

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  • Journal of chemical engineering of Japan  

    Journal of chemical engineering of Japan 41(2), 84-89, 2008-02-01 

    The Society of Chemical Engineers, Japan

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各種コード

  • NII論文ID(NAID)
    10021109623
  • NII書誌ID(NCID)
    AA00709658
  • 本文言語コード
    ENG
  • 資料種別
    ART
  • ISSN
    00219592
  • NDL 記事登録ID
    9383951
  • NDL 雑誌分類
    ZP1(科学技術--化学・化学工業)
  • NDL 請求記号
    Z53-R395
  • データ提供元
    CJP書誌  NDL  J-STAGE 
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