Determination of gallic acid with 4-nitrobenzenediazonium tetrafluoroborate by diffuse reflectance spectrometry on polyurethane foam

被引：49

作者：

Dmitrienko, SG ^{[1
]}

Medvedeva, OM ^{[1
]}

Ivanov, AA ^{[1
]}

Shpigun, OA ^{[1
]}

Zolotov, YA ^{[1
]}

机构：

[1] Moscow MV Lomonosov State Univ, Dept Chem, Div Analyt Chem, Moscow 119991, Russia

来源：

ANALYTICA CHIMICA ACTA | 2002年 / 469卷 / 02期

基金：

俄罗斯基础研究基金会;

关键词：

gallic acid; polyurethane foam; sorption; diffuse reflectance spectrometry;

D O I：

10.1016/S0003-2670(02)00715-8

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

The present work describes a rapid and cost-effective analytical procedure for the determination of gallic acid. It is based on the solid-phase extraction of gallic acid in the form of the azo compound by polyurethane foam (PUF) and measurement by diffuse reflectance spectrometry. The calibration graphs are linear over the range 0.2-6 mug ml(-1). The developed procedure was applied to the determination of gallic acid in alcoholic beverages. (C) 2002 Elsevier Science B.V. All rights reserved.

引用

页码：295 / 301

页数：7

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