The determination of trace amounts of lead in steel by anodic stripping voltammetry

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Abstract
A procedure is described for the direct determination of lead in steel samples by anodic stripping voltammetry. The method is both simple and rapid, about 1 hour being needed to complete an analysis. No chemical operations are required other than sample dissolution, which minimises the risk of contami+ation or losses of lead. Interferences to the method are few, only copper (more than 0·9 per cent.) and molybdenum (more than 0·1 per cent.) being of any significance.The detection limit of the method was calculated to be 0·0001 per cent. of lead and the accuracy and precision have been established by the analysis of a wide range of standard steel samples.

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