Application of GC-MS/MS for the analysis of PCDD/Fs in sewage effluents

被引：26

作者：

Küchler, T ^{[1
]}

Brzezinski, H ^{[1
]}

机构：

[1] Fraunhofer Inst Umweltchem & Okotoxikol, D-14558 Bergholz Rehbrucke, Germany

来源：

CHEMOSPHERE | 2000年 / 40卷 / 02期

关键词：

effluent; PCDD/F; analysis; MS/MS; optimisation; detection limit;

D O I：

10.1016/S0045-6535(99)00301-X

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

The application of high resolution gas chromatography in combination with tandem mass spectrometry in an ion trap was tested to substitute the expensive high resolution mass spectrometry in analysing polychlorinated dibenzo-p-dioxins and furans in sewage effluents. In tandem mass spectrometry, a set of parameters has to be optimised in order to attain the required sensitivity. To the best of our knowledge, this is the first time a method development for analysing PCDD/Fs with GC-MS/MS in an ion trap is described in this detail. Nine parameters are varied, including isolation window, collision induced dissociation (CID) amplitude, CID time, acquisition mass range, broadband amplitude, CID bandwidth, modulation range, filament current and ion trap temperature. This technique can be adapted to other analytes, By this optimisation, limits of detection of 0.01-0.05 ng/l are obtained. With its selectivity and sensitivity tandem mass spectrometry is a powerful tool for the determination of PCDD/Fs in water samples. 55 sewage effluent samples from Germany were analysed. (C) 1999 Elsevier Science Ltd. All rights reserved.

引用

页码：213 / 220

页数：8

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