Determination of chlorophenoxy acid and dicamba herbicide residues by capillary reversed-phase liquid chromatography

被引:11
作者
Lucas-Delfa, MA [1 ]
Pérez-Arribas, LV [1 ]
Navarro-Villoslada, F [1 ]
León-González, ME [1 ]
Polo-Díez, LM [1 ]
机构
[1] Univ Complutense Madrid, Fac Ciencias Quim, Dept Quim Analit, E-28040 Madrid, Spain
关键词
D O I
10.1081/JLC-100101487
中图分类号
Q5 [生物化学];
学科分类号
071010 ; 081704 ;
摘要
Capillary liquid chromatography combined with solid phase extraction in a column packed with an anion exchanger based on MFE-Polymer (hydroxyethylmethacrylate, HEMA) containing quaternary ammonium functional groups, has been studied for multiresidual analysis of seven chlorophenoxy acid herbicides; 2,4-D, MCPA, 2,4-DP, 2,4-DB, MCPB, 2,4,5-TP, and the benzoic acid derivative Dicamba in green bean samples. The chromatographic analysis was carried out on a C-18 packed capillary column with gradient elution at 20 degrees C. The chlorophenoxy acid and Dicamba have been assayed in green bean samples spiked with amounts between 0.30 and 0.08 mg.kg(-1) for 2,4-D and MCPA, and between 0.15 and 0.04 mg.kg(-1) for all the other herbicides. The recoveries obtained were between 41 and 119% (n=4 for each spiked level).
引用
收藏
页码:755 / 767
页数:13
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