A VOLTAMMETRIC TECHNIQUE USING A MODIFIED CARBON PASTE ELECTRODE FOR THE DETERMINATION OF ACLONIFEN

被引：5
|
作者：
Novotny, Vit [1 ,2 ]
Barek, Jiri [2 ]
机构：
[1] Adv Technol & Innovat, Inst Nanomat, Liberec 46117, Czech Republic
[2] Charles Univ Prague, Dept Analyt Chem, UNESCO Lab Environm Electrochem, Fac Sci, CR-12840 Prague 2, Czech Republic
来源：
ECOLOGICAL CHEMISTRY AND ENGINEERING S-CHEMIA I INZYNIERIA EKOLOGICZNA S | 2015年 / 22卷 / 03期
关键词：
voltammetry; carbon paste electrode; aclonifen; herbicide determination; HERBICIDES;
D O I：
10.1515/eces-2015-0026
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
A method for the determination of aclonifen at a carbon paste electrode modified with tricresyl phosphate has been developed. The optimum electrochemical regime proved to be differential pulse voltammetry ( DPV) in the negative potential range from -200 to -1600 mV. The optimum pH for the determination proved to be pH = 8. The calibration dependence is linear and the limit of detection achieved for the method was 2.10(-6) mol/dm(3). The method is fast, reliable and it is suitable for the detection of aclonifen in the concentration range from 2.10(-6) to 1.10(-4) mol/dm(3).
引用
收藏
页码：451 / 458
页数：8
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