Point of zero charge: Role in pyromorphite formation and bioaccessibility of lead and arsenic in phosphate amended soils.

@article{Karna2018PointOZ,
  title={Point of zero charge: Role in pyromorphite formation and bioaccessibility of lead and arsenic in phosphate amended soils.},
  author={Ranju Rani Karna and Matthew R. Noerpel and T P Luxton and Kirk G Scheckel},
  journal={Soil systems},
  year={2018},
  volume={2 2},
  pages={
          22
        }
}
Soluble lead (Pb) can be immobilized in pure systems as pyromorphite by adding sources of phosphorus (P), but uncertainties still remain in natural systems. Knowledge of PZC is important to predict the ionization of functional groups and their interaction with metal species in solution. This study utilized the Pb- and As-contaminated soils to determine the combined effect of pH with respect to PZC and different rates of P-application on pyromorphite formation, and Pb and arsenic (As… CONTINUE READING

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