micro-XANES and micro-XRF investigations of metal binding mechanisms in biosolids.

  title={micro-XANES and micro-XRF investigations of metal binding mechanisms in biosolids.},
  author={Ganga M Hettiarachchi and Kirk G Scheckel and J. A. Ryan and Stephen R. Sutton and M Newville},
  journal={Journal of environmental quality},
  volume={35 1},
Micro-X-ray fluorescence (micro-XRF) microprobe analysis and micro-X-ray absorption near-edge structure (micro-XANES) spectroscopy were employed to identify Fe and Mn phases and their association with selected metals in two biosolids (limed composted [LC] and Nu-Earth) before and after treatment to remove organic carbon (OC). Spatial correlations derived from elemental mapping of XRF images showed strong correlations between Fe and Cd, Cr, Pb, or Zn (r2= 0.65-0.92) before and after removal of… CONTINUE READING

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