Characteristic L-shape Absorbance-time Curve in Indicator Reaction for the Determination of Catalyst

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著者

    • TAKAHATA Keiji
    • Department of Materials Science, Faculty of Engineering, Ibaraki University
    • NAGOSHI Toshimasa
    • Department of Materials Science, Faculty of Engineering, Ibaraki University
    • IGARASHI Shukuro
    • Department of Materials Science, Faculty of Engineering, Ibaraki University

抄録

The simultaneous decomposition reaction of a catalyst and indicator shows the characteristic <I>L</I>-shape absorbance-time curve. This reaction system provides the kinetic behavior (i.e., the chemical amplification) and the equilibrium behavior. Also, it becomes possible to have a highly-sensitive determination of a catalyst without the limitation of measuring time. This new concept of sensing was realized using the 5,10,15,20-tetrakis(4-sulfophenyl)porphine (indicator) / iron-chlorophyllin complex (catalyst) / peroxomonosulfate [KHSO<SUB>5</SUB>] (oxidant) system and copper-phthalocyanine-tetrasulfonate / hemoglobin / KHSO<SUB>5</SUB> system.

収録刊行物

  • Chemistry letters

    Chemistry letters 1997(9), 865-866, 1997-09

    The Chemical Society of Japan

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各種コード

  • NII論文ID(NAID)
    10002614625
  • NII書誌ID(NCID)
    AA00603318
  • 本文言語コード
    ENG
  • 資料種別
    ART
  • ISSN
    03667022
  • データ提供元
    CJP書誌  J-STAGE 
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