FLOW SPECTROPHOTOMETRIC METHOD FOR DETERMINATION OF HYDROGEN-PEROXIDE USING A CATION-EXCHANGER FOR PRECONCENTRATION

被引：32

作者：

ALMUAIBED, AM

TOWNSHEND, A

机构：

[1] School of Chemistry, University of Hull, Hull

来源：

ANALYTICA CHIMICA ACTA | 1994年 / 295卷 / 1-2期

关键词：

FLOW SYSTEM; ION EXCHANGE; SPECTROPHOTOMETRY; HYDROGEN PEROXIDE; PRECONCENTRATION;

D O I：

10.1016/0003-2670(94)80346-3

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

A flow spectrophotometric method for the preconcentration and determination of hydrogen peroxide is developed. It is based on the formation of the titanium(IV) peroxo complex and its retention on a minicolumn cation exchanger, elution with sulphuric acid and spectrophotometric detection at 410 nm. The calibration graph is linear over the range 4 X 10(-6)-6 x 10(-5) M. The 2 sigma detection limit is 1 x 10(-6) M (34 ng ml(-1) and the exchange capacity is 1.1 mmol H2O2 g(-1) dry weight.

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页码：159 / 163

页数：5

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