Determination of phenols in lake and ground water samples by stir bar sorptive extraction-thermal desorption-gas chromatography-mass spectrometry

被引：85
|
作者：
Montero, L
Conradi, S
Weiss, H
Popp, P
机构：
[1] UFZ Ctr Environm Res Liepzig Halle, Dept Analyt Chem, D-04318 Leipzig, Germany
[2] UFZ Helmholtz Ctr Environm Res, Dept Groundwater Remediat, D-04318 Leipzig, Germany
来源：
JOURNAL OF CHROMATOGRAPHY A | 2005年 / 1071卷 / 1-2期
关键词：
phenols and chlorophenols; stir bar sorptive extraction; derivatization; gas chromatography; thermal desorption;
D O I：
10.1016/j.chroma.2005.01.097
中图分类号：
Q5 [生物化学];
学科分类号：
071010 ; 081704 ;
摘要：
A simple and inexpensive method for sorptive extraction of phenols from water samples is presented. A polydimethyl siloxane (PDMS) stir bar (Twister) is used as an extraction medium for derivatized phenols, which is thermally desorbed and analyzed by gas chromatography-mass spectrometry (GC-MS). Its performance was illustrated and evaluated for the enrichment of mu g l(-1) to ng l(-1) of phenol and selected chlorophenols in water samples. The method showed good linearity, recoveries and blank levels, as well as advantages such as sensitivity, simplicity, low cost and high feasibility, being successfully applied for the analysis of phenolic compounds in natural water samples. (c) 2005 Elsevier B.V. All rights reserved.
引用
收藏
页码：163 / 169
页数：7
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