Speciation of trace metals in organic matter of contaminated urban sediments

  • A. El Mufleh
  • B. Béchet
  • L. Grasset
  • C. Geffroy-Rodier
  • V. Ruban
  • A. Amblès
Conference paper
Part of the Alliance for Global Sustainability Bookseries book series (AGSB, volume 19)

Abstract

A methodology based on the coupling of chemical methods (methyl isobutyl ketone (MIBK) and IHSS fractionations) and physical characterization methods (XRD and SEM) was applied to study the relevance of these two fractionation methods on the speciation of trace metals in organic matter of three stormwater sediments. Trace metals distribution among MIBK and IHSS fractions is very different. Except for Cr, 10 to 30% of trace metals are bonded to MIBK-humin fractions, whereas 70 to 100% are bonded to IHSS-humin fraction. Moreover, Cd, Cr, Ni and Zn are strongly bonded to the highly aggregated fraction.

Keywords

Trace Metal Humic Acid Fulvic Acid Mineral Fraction Total Carbon Content 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer Science+Business Media B.V. 2012

Authors and Affiliations

  • A. El Mufleh
    • 1
  • B. Béchet
    • 1
  • L. Grasset
    • 2
  • C. Geffroy-Rodier
    • 2
  • V. Ruban
    • 1
  • A. Amblès
    • 2
  1. 1.Department of Geotechnics, Water and RisksLaboratoire Central des Ponts et ChausséesParisFrance
  2. 2.Laboratoire Synthèse et Réactivité des Substances Naturelles (UMR 6514)Université de PoitiersPoitiersFrance

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