ルミノール化学発光を検出法とするシーケンシャルインジェクション分析における錯化剤及び界面活性剤の増感効果

  • 神崎 啓之
    岡山大学大学院自然科学研究科機能分子化学専攻
  • 高柳 俊夫
    岡山大学大学院自然科学研究科機能分子化学専攻

書誌事項

タイトル別名
  • Sensitization of Luminol Chemiluminescence with Complexing Agents and Surfactants in Sequential Injection Analysis
  • ルミノール カガク ハッコウ オ ケンシュツホウ ト スル シーケンシャルインジェクション ブンセキ ニ オケル サクカザイ オヨビ カイメン カッセイザイ ノ ゾウカン コウカ

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抄録

Some complexing agents and surfactants sensitize luminol chemiluminescence (CL) with Fe(III) or Fe(II) as a catalyst ; also the effect of the sensitizing reagents on the CL intensity was examined in sequential injection analysis (SIA). Solutions of luminol, H2O2 and a sample solution containing Fe(III) or Fe(II) were sequentially introduced into a holding coil, and the zones of the sucked solutions were immediately propelled to a CL detection cell ; the CL intensity was measured. In the case of the complexing agents as additives, tartrate and oxalate ions in the sample solution were most effective to improve the CL intensity. When surfactants were used as additives, the chemiluminescence was sensitized over the critical micelle concentrations of cationic cetyltrimethylammonium bromide and anionic sodium dodecylsulfate. Sensitization with the complexing agents and the surfactants in SIA are much more effective than in flow injection analysis. Since mixing of the sucked zones is not sufficient in SIA, the chemiluminescence would have been effectively sensitized.

収録刊行物

  • 分析化学

    分析化学 59 (8), 715-719, 2010

    公益社団法人 日本分析化学会

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