Spectrofluorometric determination of hydrogen peroxide based on oxidative catalytic reactions of p-hydroxyphenyl derivatives with metal complexes of thiacalix[4]arenetetrasulfonate on a modified anion-exchanger

被引：22

作者：

Odo, J ^{[1
]}

Matsumoto, K ^{[1
]}

Shinmoto, E ^{[1
]}

Hatae, Y ^{[1
]}

Shiozaki, A ^{[1
]}

机构：

[1] Okayama Univ Sci, Fac Sci, Dept Biol Chem, Okayama 7000005, Japan

来源：

ANALYTICAL SCIENCES | 2004年 / 20卷 / 04期

关键词：

D O I：

10.2116/analsci.20.707

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

The peroxidase-like catalytic activity of metal complexes of thiacalix[4]arenetetrasulfonate (TCAS[4]) on a modified anion-exchanger (Men+-TCAS[4](A-500); Men+ = H-2, Fe3+, Fe2+, Mn3+, Co3+, Co2+, Cu2+, Zn2+, Ni2+) for the oxidation of p-hydroxyphenyl derivatives to produce fluorescent substances in the presence of hydrogen peroxide has been investigated. Among the Men+-TCAS[4](A-500) tested, Fe3+-TCAS[4](A-500) exhibited the highest level of catalytic activity for the oxidation of p-acetoamidophenol in a carbonate buffer solution of pH 10. The catalytic activity of Fe3+-TCAS[4]A-500 was then used for the spectrofluorometric determination of hydrogen peroxide. The calibration curve for the Fe3+-TCAS[4](A-500) method was linear over a range spanning from 0.1 to 5.0 mug of hydrogen peroxide in a 1.0 ml sample solution.

引用

页码：707 / 710

页数：4

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