Flow Injection Determination of Hydrogen Peroxide by Bis(2,4,6-trichlorophenyl)oxalate Chemiluminescence in O/W Emulsion.

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  • HASEBE Takashi
    Laboratory of Analytical Chemistry, Department of Chemistry, University of Tsukuba
  • HASEGAWA Emi
    Laboratory of Analytical Chemistry, Department of Chemistry, University of Tsukuba
  • KAWASHIMA Takuji
    Laboratory of Analytical Chemistry, Department of Chemistry, University of Tsukuba

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タイトル別名
  • Flow Injection Determination of Hydroge

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抄録

A flow injection (FIA) determination of hydrogen peroxide (H2O2) was developed by using chemiluminescence (CL) reaction of bis(2, 4, 6-trichlorophenyl)oxalate (TCPO) in an oil/water (O/W) emulsion system composed of ethyl acetate, non-ionic surfactant polyoxyethylene(20) sorbitane monolaurate (Tween 20) and water. The intensity of the light emitted from the CL reaction is proportional to the concentration of H2O2. A linear calibration graph was obtained over the H2O2 concentration range 1×10-6-1×10-3mol dm-3. The relative standard deviations of 3.4 and 3.6% were obtained for five determinations of 1×10-5 and 1×10-6mol dm-3 of H2O2, respectively. The present method was applied to the determination of L-glutamic acid in culture medium, which was based on the detection of H2O2 produced from glutamic acid in the immobilized glutamate oxidase reactor in the flow system.

収録刊行物

  • Analytical Sciences

    Analytical Sciences 12 (6), 881-885, 1996

    社団法人 日本分析化学会

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