Voltammetric determination of imidacloprid insecticide in selected samples using a carbon paste electrode

被引：1
|
作者：
Zsigmond Papp
Ivan Švancara
Valéria Guzsvány
Karel Vytřas
Ferenc Gaál
机构：
[1] University of Novi Sad,Department of Chemistry, Faculty of Sciences
[2] University of Pardubice,Department of Analytical Chemistry, Faculty of Chemical Technology
来源：
Microchimica Acta | 2009年 / 166卷
关键词：
Imidacloprid; Carbon paste electrode; Tricresyl phosphate; Pesticide analysis; Differential pulse voltammetry;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The voltammetry of imidacloprid was investigated by using three kinds of carbon paste electrodes (CPEs) based on tricresyl phosphate, silicone oil, and n-tetradecane. The tricresyl phosphate-based carbon paste electrode exhibited the best analytical performance with respect to peak shape and signal intensity. The method, operated in the differential pulse voltammetric mode, was applied to the determination of imidacloprid in a river water sample and two commercial formulations and works in the concentration range from 1.7 to 30 μg mL−1, with a relative standard deviation not exceeding 2.2%. This appears to be the first application of a CPE to the voltammetric determination of neonicotinoid insecticides.
引用
收藏
页码：169 / 175
页数：6
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