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Répartition des métaux lourds dans les différentes fractions des sédiments marins : influence de la protection cathodique

Abstract : A large-scale experiment, with natural seawater and sediments, was conducted during one month to evaluate the possible interaction of cathodic protection (E = – 1 V/Ag–AgCl) on the distribution patterns of trace elements present in the sediments. No influence on metals’ lability and distribution within marine sediments was observed. Nevertheless, the sacrificial anode's dissolution induces a significant zinc concentration increase in the superficial sediments. This accumulated zinc is mainly scavenged in labile fractions (acido-soluble and reducible) of the sediments.
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Submitted on : Wednesday, May 27, 2020 - 10:39:15 AM
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Lydia Leleyter, Christelle Rousseau, Otavio Gil, Fabienne Baraud. Répartition des métaux lourds dans les différentes fractions des sédiments marins : influence de la protection cathodique. Comptes Rendus Géoscience, Elsevier Masson, 2007, 339 (1), pp.31-39. ⟨10.1016/j.crte.2006.10.004⟩. ⟨hal-02587751⟩

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