A voltammetric method for diuron determination in river water

被引：2
|
作者：
Soares, Fernanda S. [1 ]
Ramalho, Raissa T. E. [2 ]
Silva, Amanda C. [1 ]
Araujo, Mario C. U. [1 ,3 ]
机构：
[1] Univ Fed Paraiba, Dept Quim, BR-58051970 Joao Pessoa, PB, Brazil
[2] Secretaria Meio Ambiente Pesca & Aquicultura SEMAP, BR-58310000 Cabedelo, PB, Brazil
[3] Univ Federalda Paraiba, Dept Quim, BR-58051970 Joao Pessoa, PB, Brazil
来源：
ELECTROANALYSIS | 2023年 / 35卷 / 07期
关键词：
diuron determination; environmentally friendly method; glassy carbon electrode; square wave voltammetry; water; ELECTROCHEMICAL SENSOR; ELECTRODE;
D O I：
10.1002/elan.202200486
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
A sensitive, simple, fast, and inexpensive method for determining diuron in water using square wave voltammetry and a glassy carbon electrode is presented. This method was developed to evaluate diuron contamination in river waters close to sugarcane cultivation, located in the metropolitan region of Joao Pessoa, in the state of Paraiba, Brazil. An analytical curve with a linear response ranging from 38.5-115.0 nmol L-1 (r(2) = 0.993), a LOD equal 0.2 nmol L-1, and recovery rates from 88.0 to 108.0 %. The proposed method does not require any previous chemical treatment of the sample, thus contributing to green analytical chemistry.
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页数：9
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