Abstract
The water of river Mzimbazi and its attributaries are known to contain heavy metals originating from industry and the water is used for domestic and vegetable irrigation purposes. The present study describes chemical forms of some of the heavy metals found in the water. Water samples from different locations along river Msimbazi were analysed by Differential Pulse Anodic Stripping Voltammetry (DPSAV) based on an operational scheme for the determination of the chemical forms of dissolved copper, lead, cadmium and zinc. Zinc (82%), cadmium (73%) and copper (93%) were found to exist mainly as soluble metal ions while lead existed as moderately soluble ions (
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