ルミノール及びルシゲニン化学発光の反応場としての塩基性金属過酸化物

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書誌事項

タイトル別名
  • Basic metal peroxides as reaction media for luminol and lucigenin chemiluminescence sensing.
  • ルミノール オヨビ ルシゲニン カガク ハッコウ ノ ハンノウバ トシテノ エ

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抄録

The basic metal peroxides (MgO2, BaO2) were evaluated for chemiluminescence (CL) reaction media by means of a batch method. Luminol and lucigenin CL were chosen as model CL systems. Strong CL was observed solely on adding luminol and lucigenin solutions to MgO2 and BaO2 powders, respectively. The CL characteristics of this heterogeneous reaction system differed from those of a homogeneous reaction system, hydrogen peroxide oxidation in a basic solution. That is, the CL intensiy increased with a decrease in the pH of the solution added; also, Cr3+, Mn2+ and Cu2+ suppressed the luminol CL. It is likely that the CL reaction proceeds in different ways between MgO2 and BaO2, on which different reactive oxygen species are formed. The lower detection limits for luminol and lucigenin were 3 × 10-11 M and 3 × 10-12 M, respectively. Both metal peroxides were found to be unique CL reaction media that did not require any additional bases and oxidants.

収録刊行物

  • 分析化学

    分析化学 46 (9), 711-717, 1997

    公益社団法人 日本分析化学会

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