Optimisation of a headspace solid-phase micro-extraction procedure for the determination of 2,4,6-trichloroanisole and various related compounds in cork washing waste water by use of gas chromatography-mass spectrometry

被引：7

作者：

López-Vidal, S ^{[1
]}

Arce, L ^{[1
]}

机构：

[1] Univ Pablo Olavide, Dept Environm Sci, Seville 41013, Spain

来源：

CHROMATOGRAPHIA | 2005年 / 62卷 / 9-10期

关键词：

gas chromatography; solid phase micro-extraction; cork washing waste water; 2,4,6-trichloroanisole;

D O I：

10.1365/s10337-005-0664-y

中图分类号：

Q5 [生物化学];

学科分类号：

071010 ; 081704 ;

摘要：

A method for the determination of 2,4,6-trichloroanisole (TCA), other haloanisoles and halophenols in water was optimised by using headspace solid-phase micro-extraction (SPME) and gas chromatography with mass spectrometric detection. The optimised method uses divinyl-benzene-carboxen-polydimethylsiloxane (DVB-CAR-PDMS) fiber and allows the determination of TCA at very low concentrations (LOD = 0.1 ng L-1) with good precision (RSD = 8%). The optimum operating conditions were found to be SPME time of 40 min, an extraction temperature of 65 degrees C, a sample volume of 25 mL, a pH 2.4 an added salt concentration of 20% and magnetic stirring at 700 rpm. The proposed method was used to determine for the first time haloanisoles and kalophenols in cork washing waste water as real samples.

引用

页码：527 / 531

页数：5

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