IDENTIFICATION OF NATURAL AND EARLY SYNTHETIC TEXTILE DYES WITH HPLC AND UV VIS-SPECTROSCOPY BY DIODE-ARRAY DETECTION

被引：42

作者：

FISCHER, CH ^{[1
]}

BISCHOF, M ^{[1
]}

RABE, JG ^{[1
]}

机构：

[1] GUSTAV HEINEMANN OBERSTUFENGYMNASIUM, W-6090 RUSSELSHEIM, GERMANY

来源：

JOURNAL OF LIQUID CHROMATOGRAPHY | 1990年 / 13卷 / 02期

关键词：

D O I：

10.1080/01483919008049546

中图分类号：

Q5 [生物化学];

学科分类号：

071010 ; 081704 ;

摘要：

The separation and identification of complex mixtures of natural and synthetic textile dyes was investigated using HPLC with diode array detection. Separation was carried out on a reversed phase column with acetonitrile-phosphoric acid gradient elution. The results show that the anthraquinones from madder root and the insect dye cocheneal present in ancient red dyes can easily be distinguished from azo-dyes present in later textile fibres. They further show that for an analysis of the numerous flavones and flavonoles, constituting most of the yellow natural dyestuffs, the combination of HPLC with on-line optical spectroscopy is particularly useful. Even when retention times are identical - as for instance for quercetin and luteolin - the ratio of a mixture can still be estimated by evaluatina the ratio-chromatoaram. Copyright © 1990 by Marcel Dekker, Inc.

引用

页码：319 / 331

页数：13

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