The anodic voltammetric behavior of 4‐chlorophenol (4‐CP) on a boron‐doped diamond electrode (BDD) in aqueous solution was studied by square‐wave voltammetry. After optimization of the experimental conditions, 4‐CP was determined in a Britton‐Robinson buffer solution with pH 6.0, prepared with pure water. Moreover, mixtures of some different chlorophenols were also investigated and an analytical method was developed for the simultaneous determination of these compounds in natural waters. The oxidation of 4‐CP on BDD was used for analytical purposes and quantification limits as low as 9.2 µg L−1 were obtained. This result illustrates the advantage of using oxidation process currents on BDD electrodes as the analytical signal, even in contaminated matrices. In order to compare the results found here with the conventional methodology to determine chlorophenols, HPLC‐UV‐vis measurements were also performed and were in good agreement with the analytical values obtained by SWV.
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Pedrosa et al. (2006) studied this question.
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