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Speciation of trace metals in organic matter of contaminated urban sediments

Mufleh, A. El / Béchet, B. / Grasset, L. / Geffroy-Rodier, C. / Ruban, V. / Amblès, A.

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.

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Speciation of trace metals in organic matter of contaminated urban sediments

Mufleh, A. El / Béchet, B. / Grasset, L. / Geffroy-Rodier, C. / Ruban, V. / Amblès, A.

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.

Speciation of trace metals in organic matter of contaminated urban sediments

Mufleh, A. El / Béchet, B. / Grasset, L. / Geffroy-Rodier, C. / Ruban, V. / Amblès, A.

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.

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Title:

Speciation of trace metals in organic matter of contaminated urban sediments

Additional title:

Alliance Global Sustain.

Contributors:

Rauch, Sébastien (editor) / Morrison, Gregory M. (editor) / Mufleh, A. El (author) / Béchet, B. (author) / Grasset, L. (author) / Geffroy-Rodier, C. (author) / Ruban, V. (author) / Amblès, A. (author)

Published in:

Urban Environment ; Chapter: 32 ; 351-361

Alliance for Global Sustainability Bookseries ; 19

Publication date:

2011-12-10

Size:

11 pages

ISBN:

978-94-007-2540-9 , 978-94-007-2539-3

ISSN:

DOI:

https://doi.org/10.1007/978-94-007-2540-9_32

Type of media:

Article/Chapter (Book)

Type of material:

Electronic Resource

Language:

English

Keywords:

Trace Metal , Humic Acid , Fulvic Acid , Mineral Fraction , Total Carbon Content Environment , Monitoring/Environmental Analysis , Urbanism , Atmospheric Protection/Air Quality Control/Air Pollution , Engineering

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