Comparison of three sequential extraction procedures for fractionation of arsenic from highly polluted mining sediments.

  title={Comparison of three sequential extraction procedures for fractionation of arsenic from highly polluted mining sediments.},
  author={Raquel Larios and R. Fern{\'a}ndez-Mart{\'i}nez and Isabel Rucandio},
  journal={Analytical and bioanalytical chemistry},
  volume={402 9},
Three sequential extraction procedures were evaluated for the study of fractionation of arsenic in environmental solid samples. The procedures considered were as follows: i) the standardized and widely recognised BCR procedure, conceived for the study of the partitioning of heavy metals; ii) the procedure developed by Manful, who adapted a phosphorus scheme for arsenic fractionation; and iii) a novel sequential extraction scheme especially devised for arsenic. The efficiency and suitability of… CONTINUE READING

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