Zero-valent sulfur and metal speciation in sediment porewaters of freshwater lakes.

@article{Wang2009ZerovalentSA,
  title={Zero-valent sulfur and metal speciation in sediment porewaters of freshwater lakes.},
  author={Feiyue Wang and Andr{\'e} Tessier},
  journal={Environmental science & technology},
  year={2009},
  volume={43 19},
  pages={7252-7}
}
We measured the aqueous solubility of rhombic sulfur and used this information to incorporate, in speciation codes, the thermodynamic constants reported in the literature for the formation of polysulfide complexes. Using the values of pH and total concentrations of dissolved zerovalent sulfur, sulfide, humic substances, trace metals (Ag, Cd, Cu, Hg, methylmercury, Pb, Zn) and major ions measured in anoxic porewaters of nine oligotrophic Canadian lakes as input to these speciation codes, we show… CONTINUE READING

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