Pressurised hot water extraction coupled on-line with liquid chromatography-gas chromatography for the determination of brominated flame retardants in sediment samples

被引：59

作者：

Kuosmanen, K ^{[1
]}

Hyöyläinen, T ^{[1
]}

Hartonen, K ^{[1
]}

Riekkola, ML ^{[1
]}

机构：

[1] Univ Helsinki, Dept Chem, Analyt Chem Lab, FIN-00014 Helsinki, Finland

来源：

JOURNAL OF CHROMATOGRAPHY A | 2002年 / 943卷 / 01期

基金：

芬兰科学院;

关键词：

pressurised hot water extraction; extraction methods; flame retardants; sediment; environmental analysis; halogenated compounds;

D O I：

10.1016/S0021-9673(01)01416-9

中图分类号：

Q5 [生物化学];

学科分类号：

071010 ; 081704 ;

摘要：

Pressurised hot water extraction (PHWE) was coupled on-line with liquid chromatography-gas chromatography (LC-GC) to determine brominated flame retardants in sediment samples. After extraction with pressurised hot water the analytes were adsorbed in a solid-phase trap. The trap was dried with nitrogen and the analytes were eluted to the LC column, where the extract was cleaned, concentrated and fractionated before transfer to the GC system. The fraction containing the brominated flame retardants was transferred to the GC system via an on-column interface. The PHWE-LC-GC method was linear from 0.0125 to 2.5 mug with limits of detection in the range 0.70-1.41 ng/g and limits of quantification 6.16-12.33 ng/g. (C) 2002 Elsevier Science B.V. All rights reserved.

引用

页码：113 / 122

页数：10

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