Simultaneous determination of various classes of pesticides using micellar electrokinetic capillary chromatography in combination with solid-phase extraction

被引：8
|
作者：
Shakulashvili, N
Revia, R
Steiner, F
Engelhardt, H
机构：
[1] Tbilisi State Univ, Lab Instrumental, Phys Chem Methods Complex Syst, GE-0128 Tbilisi, Georgia
[2] Tbilisi State Univ, Chair Analyt Chem, GE-0128 Tbilisi, Georgia
[3] Univ Saarland, D-66123 Saarbrucken, Germany
来源：
CHROMATOGRAPHIA | 2004年 / 60卷 / 3-4期
关键词：
column liquid chromatography; micellar electrokinetic capillary chromatography; pesticides; solid-phase extraction; water samples;
D O I：
10.1365/s10337-004-0350-5
中图分类号：
Q5 [生物化学];
学科分类号：
071010 ; 081704 ;
摘要：
The potential of micellar electrokinetic capillary chromatography (MEKC) with UV-detection for the simultaneous determination of various selected pesticides in water samples was investigated. The developed method using solid-phase extraction showed high efficiency and good resolution with detection limits in the 0.2 to 0.5 ppm range. Comparison of several SPE cartridges demonstrates their suitability for the extraction of pesticides with different hydrophobicity achieving 5000-fold enrichment. The described method involving SPE procedure and MEKC separation enables the successful determination of a wide spectrum of pesticides in water in the range of maximum residue limits (MRL's).
引用
收藏
页码：145 / 150
页数：6
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