Manganese Dioxide Graphite Composite Electrodes : Application to the Electroanalysis of Hydrogen Peroxide, Ascorbic Acid and Nitrite

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The modification of carbon powder with manganese dioxide using a wet impregnation procedure with electrochemical characterisation of the modified powder is described. The process involves saturation of the carbon powder with manganese(II) nitrate followed by thermal treatment at <i>ca.</i> 773 K leading to formation of manganese(IV) oxide on the surface of the carbon powder. The construction of composite electrodes based on manganese dioxide modified carbon powder and epoxy resin is also described, including optimisation of the percentage of the modified carbon powder. Composite electrodes showed attractive performances for electroanalytical applications, proving to be suitable for the electrochemical detection of hydrogen peroxide, ascorbic acid and nitrite ions with limits of detection comparable to the detection limits achieved by other analytical techniques. The results obtained for detection of these analytes, together with composite electrodes flexible design and low cost offers potential application of composite electrodes in biosensors.

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 23(2), 165-170, 2007-02-10 

    The Japan Society for Analytical Chemistry

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各種コード

  • NII論文ID(NAID)
    10018497440
  • 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
    8628808
  • 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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