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Utilization of Carbon Paste Electrodes for the Voltammetric Determination of Chlortoluron
Author(s) -
Dejmkova Hana,
Houskova Lucie,
Barek Jiri,
Zima Jiri
Publication year - 2013
Publication title -
electroanalysis
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.574
H-Index - 128
eISSN - 1521-4109
pISSN - 1040-0397
DOI - 10.1002/elan.201300006
Subject(s) - differential pulse voltammetry , extraction (chemistry) , methanol , carbon paste electrode , electrode , carbon fibers , chemistry , analytical chemistry (journal) , capillary action , materials science , chromatography , electrochemistry , cyclic voltammetry , composite material , organic chemistry , composite number
Abstract Conventional (CPE) and miniaturized (m‐CPE) carbon paste electrodes consisting of a carbon paste filled capillary were used for differential pulse voltammetric determination of chlortoluron in samples of river water and soil, in the latter case after the extraction by methanol. Britton‐Robinson buffer pH 3 with low content of methanol was found to be optimal for the determination. The achieved determination limits were 2.8 µmol L −1 and 0.34 µmol L −1 in river water, and 3.1 and 4.3 µg g −1 in soil, using CPE and m‐CPE, respectively.