Sol-gel based optical sensor for continuous determination of dissolved hydrogen peroxide

被引：93

作者：

Lobnik, A ^{[1
]}

Cajlakovic, M ^{[1
]}

机构：

[1] Univ Maribor, Fac Mech Engn, Dept Text, SLO-2000 Maribor, Slovenia

来源：

SENSORS AND ACTUATORS B-CHEMICAL | 2001年 / 74卷 / 1-3期

关键词：

spectrophotometry; hydrogen peroxide; Meldola Blue; sol-gel material;

D O I：

10.1016/S0925-4005(00)00733-4

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

An optical sensor highly sensitive to hydrogen peroxide has been prepared by incorporating the indicator dye Meldola Blue (MB) into sol-gel layers, prepared from (a) pure tetramethoxysilane (TMOS) and (b) variation of TMOS and methyltrimethoxysilane (Me-TriMOS). Sensor layers based on TMOS doped with MB were found to be most appropriate for purposes of sensing hydrogen peroxide in giving large signal changes and displaying rapid response times over the wide concentration range of 10(-8)-10(-1) M. (C) 2001 Elsevier Science B.V. All rights reserved.

引用

页码：194 / 199

页数：6

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