Formation and stability of Pb-, Zn- & Cu-PO₄ phases at low temperatures: implications for heavy metal fixation in polar environments.

@article{White2012FormationAS,
  title={Formation and stability of Pb-, Zn- & Cu-PO₄ phases at low temperatures: implications for heavy metal fixation in polar environments.},
  author={Duanne A White and Erla G Hafsteinsd{\'o}ttir and Damian B. Gore and Gordon S Thorogood and Scott C Stark},
  journal={Environmental pollution},
  year={2012},
  volume={161},
  pages={143-53}
}
Low temperatures and frequent soil freeze-thaw in polar environments present challenges for the immobilisation of metals. To address these challenges we investigated the chemical forms of Pb, Zn and Cu in an Antarctic landfill, examined in vitro reaction kinetics of these metals and orthophosphate at 2 and 22 °C for up to 185 days, and subjected the products to freeze-thaw. Reaction products at both temperatures were similar, but the rate of production varied, with Cu-PO(4) phases forming… CONTINUE READING
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