Uncertainty analysis of the nonideal competitive adsorption-donnan model: effects of dissolved organic matter variability on predicted metal speciation in soil solution.

@article{Groenenberg2010UncertaintyAO,
  title={Uncertainty analysis of the nonideal competitive adsorption-donnan model: effects of dissolved organic matter variability on predicted metal speciation in soil solution.},
  author={Jan E Groenenberg and Gerwin Ferdinand Koopmans and Rob N. J. Comans},
  journal={Environmental science & technology},
  year={2010},
  volume={44 4},
  pages={1340-6}
}
Ion binding models such as the nonideal competitive adsorption-Donnan model (NICA-Donnan) and model VI successfully describe laboratory data of proton and metal binding to purified humic substances (HS). In this study model performance was tested in more complex natural systems. The speciation predicted with the NICA-Donnan model and the associated uncertainty were compared with independent measurements in soil solution extracts, including the free metal ion activity and fulvic (FA) and humic… CONTINUE READING

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