In this study, a simple, fast and sensitive voltammetric detection using boron-doped diamond (BDD) electrode was proposed for simultaneous quantification of benzene (BZ), naphthalene (NF) and anthracene (AC) from priority organic pollutants class in real tap water. The electrochemical behaviors of individual and simultaneous BZ, NF and AC studied by cyclic voltammetry (CV) on BDD electrode showed a large separation between their oxidation potential, which allowed the development of simple simultaneous detection method. Differential-pulse voltammetry (DPV) technique operated at step potential of 5 mV and modulation amplitude of 200 mV enabled to reach the lowest limits of detection of 0.40 μM for BZ, 0.04 μM for NF and 0.70 nM for AC, which is appropriate for water quality control related to their environmental quality standards. No significant influence of chloride ions was found and the method was validated in real tap water and surface water spiked with known concentrations of BZ, NF and AC, which proved the practical utility of the method for water quality control.

中文翻译：

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使用掺硼金刚石电极同时伏安法检测水中的苯、萘和蒽

在这项研究中，提出了一种使用掺硼金刚石（BDD）电极的简单、快速和灵敏的伏安检测方法，用于同时定量真实自来水中优先有机污染物类别中的苯（BZ）、萘（NF）和蒽（AC） 。通过循环伏安法（CV）在 BDD 电极上研究的单独和同时的 BZ、NF 和 AC 的电化学行为显示出它们的氧化电位之间存在很大的差异，这使得开发简单的同时检测方法成为可能。差分脉冲伏安法 (DPV) 技术在 5 mV 的阶跃电位和 200 mV 的调制幅度下运行，能够达到 BZ 0.40 μM、NF 0.04 μM 和 AC 0.70 nM 的最低检测限，适用于水质量控制与其环境质量标准相关。没有发现氯离子的显着影响，并且在添加已知浓度的BZ、NF和AC的真实自来水和地表水中验证了该方法，证明了该方法在水质控制方面的实用性。