LC-MS/MS method for the confirmatory determination of aromatic amines and its application in textile analysis

被引：42

作者：

Sutthivaiyakit, P ^{[1
]}

Achatz, S

Lintelmann, J

Aungpradit, T

Chanwirat, R

Chumanee, S

Kettrup, A

机构：

[1] Kasetsart Univ, Fac Sci, Postgrad Educ & Res Program Analyt Chem, Bangkok 10900, Thailand

[2] GSF, Res Ctr Environm & Hlth, Inst Ecol Chem, D-85758 Oberschleissheim, Germany

来源：

ANALYTICAL AND BIOANALYTICAL CHEMISTRY | 2005年 / 381卷 / 01期

关键词：

atmospheric-pressure chemical ionization (APCI); high-performance liquid chromatography (HPLC); tandem mass spectrometry (MS/MS); aromatic amines; azo dye; textile analysis;

D O I：

10.1007/s00216-004-2852-2

中图分类号：

Q5 [生物化学];

学科分类号：

071010 ; 081704 ;

摘要：

A confirmation method for the determination of 18 aromatic amines originating from azo dyes after reductive cleavage was developed. The method is based on the use of high-performance liquid chromatography/tandem mass spectrometry with atmospheric-pressure chemical ionization. For the identification of the analytes one precursor ion and two daughter ions (multi-reaction monitoring, MRM) were selected and the LC-MS/MS parameters optimized to obtain high sensitivity and selectivity. The linear ranges varied from 0.1-1 to 30-50 mug-mL(-1) with correlation coefficients of 0.99 or better. The applicability of the method to determine o-tolidine (3,3'-dimethylbenzidine) and 3,3'-dimethoxybenzidine in textiles following reductive cleavage of acid red 114, trypan blue, and Chicago sky blue 6B was demonstrated.

引用

页码：268 / 276

页数：9

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