Evaluation of polyaniline as a sorbent for SPE of a variety of polar pesticides from water followed by CD-MEKC-DAD

被引:41
作者
Bagheri, H
Saraji, M
Barceló, D
机构
[1] Sharif Univ Technol, Dept Chem, Tehran, Iran
[2] CSIC, IIQAB, Dept Environm Chem, ES-08034 Barcelona, Spain
关键词
column liquid chromatography; micellar electrokinetic chromatography; solid-phase extraction; pesticides in water;
D O I
10.1365/s10337-003-0172-x
中图分类号
Q5 [生物化学];
学科分类号
071010 ; 081704 ;
摘要
A recently synthesized polyaniline (PANI) has been used and evaluated as a sorbent for solid-phase extraction of a variety of polar pesticides and some of their degradation products from water samples. Several classes of pesticides including phenoxy acids, triazines, ureas, oxime carbamates and carbamates were selected for this study. The determination of these pesticides was carried out using cyclodextrin modified micellar electrokinetic chromatography equipped with diode array detection. The recovery results using PANI were compared with those obtained by C-18, Isolute ENV+, Oasis HLB and LiChrolut EN. Effect of humic acid, as a major interference, on extraction recovery was also studied. The performance of the method was evaluated by analysis of tap and river water. The RSD of method was between 6 and 14% (n = 3) and detection limits were in the range of 0.01-0.5 mug L-1 using 350-mL water samples.
引用
收藏
页码:283 / 289
页数:7
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