Abstract

The application of subtractive anodic stripping voltammetry (SASV) with a rotating mercury coated glassy carbon split-disk electrode to determine trace metals is described. Design of the electrode used, calibration curves, and relative standard deviations are reported. The results obtained show that this method has higher sensitivity than the simple ASV. Deposition time of 2–3 min is enough for simultaneous determinations of Cd, Pb and Cu in high purity NaCl solutions and natural sea water samples.

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