Simplified anodic-stripping voltammetric determination of mercury in sea water using a glassy carbon electrode and an acetate-chloride buffer
Abstract
Various voltammetric techniques developed for the determination of mercury utilise either thiocyanate and/or perchlorate solutions as supporting electrolytes. Utilisation of acetate-chloride medium resulted in a simple, rapid and reliable procedure for the determination of mercury by anodic-stripping voltammetry. The addition of as little as 6 p.p.b. of copper is sufficient to effect the deposition of 1 p.p.b. to 20 p.p.m. of mercury solution without the need for activation during a series of experiments. The procedure developed is suitable for pollution monitoring of mercury in drinking and sea waters.
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