Voltammetric determination of imazaquin using polyaniline modified carbon paste electrode (CPE)

被引：5
|
作者：
Consolin, N
Venâncio, EC
de Medeiros, ES
Tanimoto, ST
Machado, SAS
Mattoso, LHC
机构：
[1] Embrapa Instrumentacao Agropecuaria, BR-13560970 Sao Carlos, SP, Brazil
[2] Univ Fed Sao Carlos, Dept Engn Mat, BR-13565905 Sao Carlos, SP, Brazil
[3] Univ Sao Paulo, Inst Quim Sao Carlos, BR-13560970 Sao Carlos, SP, Brazil
来源：
SENSOR LETTERS | 2006年 / 4卷 / 01期
关键词：
polyaniline; carbon paste electrode; cyclic voltammetry; imazaquin; and electrochemical sensor;
D O I：
10.1166/sl.2006.005
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
A simple and straightforward method for the detection of imazaquin using a polyaniline-modified carbon paste electrode (CPE-Pani) is presented. The cyclic voltammetry results show that the sensitivity of the CPE-Pani electrodes is strongly dependent on the pH of the electrolyte solution used, where the highest sensitivity was obtained at pH = 2.5. The mechanism by which imazaquin is determined is based on its interaction with polyaniline according to a model described in this work.
引用
收藏
页码：11 / 16
页数：6
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