Gas chromatographic analysis of pesticides in water with off-line solid phase extraction

被引：17

作者：

Pihlström, T ^{[1
]}

Hellström, A ^{[1
]}

Axelsson, V ^{[1
]}

机构：

[1] Natl Food Adm, S-75126 Uppsala, Sweden

来源：

ANALYTICA CHIMICA ACTA | 1997年 / 356卷 / 2-3期

关键词：

gas chromatography; pesticides; solid phase extraction;

D O I：

10.1016/S0003-2670(97)00521-7

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

A new solid phase extraction method has been developed to measure pesticide concentrations in water. The sample is extracted using polymer-divinylstyrene extraction columns and eluted with ethyl acetate and injected in capillary gas chromatographic columns connected to various detectors. Due to the very simple extraction procedure this method has a short analysis time. The limit of quantification (LOQ) was from 0.05 to 0.01 mu g/l depending on the pesticides to be analysed. The mean of the recoveries for the method was 85%. The method was compared with liquid-liquid extraction (LLE) in a study monitoring pesticide residues in natural waters of Sweden. (C) 1997 Elsevier Science B.V.

引用

页码：155 / 163

页数：9

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