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Electrochemical Renewal of Stationary Mercury Drop or Meniscus Electrodes

机译:固定汞滴或弯月面电极的电化学更新

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摘要

We show that a liquid mercury drop electrode surface can be electrochemically renewed without mechanical detachment of the drop. Voltammetric experiments with a mechanically renewed stationary (hanging) mercury drop or meniscus electrode (SME) and an electrochemically renewed SME are compared. The measurements were performed with two surface active organic depolarizers, i.e., 2-aminoanthraquinone and dithiothreitol and surface inactive Cd(NO3)(2), The results show that efficient purely electrochemical renewal of the electrode surface of SME for voltammetric purposes is possible.
机译:我们表明,液体汞滴电极表面可以进行电化学更新,而无需机械分离液滴。比较了使用机械更新的固定(悬挂)汞滴或弯月面电极(SME)和电化学更新的SME进行的伏安实验。使用两种表面活性有机去极化剂(2-氨基蒽醌和二硫苏糖醇)和表面惰性的Cd(NO3)(2)进行测量,结果表明,用于伏安法的SME电极表面可以进行有效的纯电化学更新。

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