Dispersive liquid-liquid microextraction and solid-phase extraction of polar pesticides from natural water and their determination by micellar electrokinetic chromatography

被引：15

作者：

Amelin, V. G. ^{[1
,2
]}

Bol'shakov, D. S. ^{[1
,2
]}

Tret'yakov, A. V. ^{[2
]}

机构：

[1] Vladimir State Univ, Vladimir 600000, Russia

[2] Fed Ctr Anim Hlth VNIIZZh, Vladimir 600901, Russia

来源：

JOURNAL OF ANALYTICAL CHEMISTRY | 2013年 / 68卷 / 05期

关键词：

dispersive liquid-liquid microextraction; solid-phase extraction; polar pesticides; micellar electrokinetic chromatography; surface water; ground water; ACID HERBICIDES; CAPILLARY; SEPARATION; ELECTROPHORESIS;

D O I：

10.1134/S1061934813050031

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

Procedures for the determination of polar pesticides in surface and ground water after their preconcentration by dispersive liquid-liquid microextraction and solid-phase extraction on OasisA (R) HLB (3 cc/60 mg) extraction cartridges are proposed. Conditions for the separation and determination of pesticides from the following classes by micellar electrokinetic chromatography were chosen: arylhydroxycarboxylic acids, sym-triazines, triazinones, urea derivatives, neonicotinoids, carbamates, triazoles, imidazoles, benzimidazoles, and organophosphorus compounds. The determination limits of pesticides in water were 0.5-20 mu g/L with consideration for preconcentration. The relative standard deviation of the results of analysis was no higher than 10%.

引用

页码：386 / 397

页数：12

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