Flow Analysis of Hydrogen Peroxide with a Dye-Formation Reaction Catalyzed by an Ion-Exchange Resin Modified with Mn+3-Tetrakis(sulfophenyl)porphine.

MIFUNE Masaki, MUKUNO Takashi, TANI Misato, IWADO Akimasa, ODO Junichi, MOTOHASHI Noriko, SAITO Yutaka

doi:10.2116/analsci.14.519

Flow Analysis of Hydrogen Peroxide with a Dye-Formation Reaction Catalyzed by an Ion-Exchange Resin Modified with Mn+3-Tetrakis(sulfophenyl)porphine.

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MIFUNE Masaki

Faculty of Pharmaceutical Sciences, Okayama University
MUKUNO Takashi

The Graduate School of Natural Science and Technology, Okayama University
TANI Misato

Faculty of Pharmaceutical Sciences, Okayama University
IWADO Akimasa

The Graduate School of Natural Science and Technology, Okayama University
ODO Junichi

Faculty of Pharmaceutical Sciences, Okayama University
MOTOHASHI Noriko

Kobe Pharmaceutical University
SAITO Yutaka

Faculty of Pharmaceutical Sciences, Okayama University

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Flow Analysis of Hydrogen Peroxide with

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The present flow analysis of hydrogen peroxide is based on a measurement of the absorbance of quinoid-dye formed by a following reaction (1) using an anion-exchange resin modified with manganese(III)-tetrakis(sulfophenyl)porphine (Mn-TSPP_r), which catalyzes the reaction (1), just like an immobilized peroxidase: 4-aminoantipyrine+4-chlorophenol+2H₂O₂ →^Mn-TSPPr quinoid dye+4H₂O [reaction (1)]. Mn-TSPP_r is more advantageous than immobilized peroxidase in terms of storage and stability for both temperature and moisture. The present facilitated method is satisfactory in reproducibility and sensitivity.