Uranium concentrations in South African herbal remedies.

  title={Uranium concentrations in South African herbal remedies.},
  author={Vanessa Steenkamp and Michael J. Stewart and Luke Chimuka and Ewa Cukrowska},
  journal={Health physics},
  volume={89 6},
South Africa contains some of the world's largest mineral deposits, which include uranium. Uranium is mined as a by-product of gold production. The uranium content of the surface soil and groundwater in South Africa has been measured and shows marked variation, depending on location. Herbal remedies are collected by traditional healers from many sites, some of which may be contaminated. Thirty herbal remedies were analyzed using a sensitive adsorptive stripping voltammetry method. Eight samples… CONTINUE READING