This paper studies the possible forms or phases of heavy metals in sediments of a marine coastal lagoon, called Ganzirri, located in the Sicilian coast of the Messina's strait by using sequential extraction. To reduce the extraction time of the Tessier method, the last step of speciation was carried out by mineralization in a microwave oven. Here we report the results of the distribution of As, Be, Cd, Co, Cr, Cu, Mo, Ni, Ph, Sb, Se, Tl, V and Zn, in four fractions of sediments samples and the concentration of the same metals in clams. This study looked at three bivalve mollusc species, Tapes decussates, Chamelea gallina and Cardium edule, raised in the sediment considered and discussed the relationships between sediments and clams of same place. The metals were analyzed by means ICP-MS.
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|Titolo:||Sand clams of Ganzirri marine coastal lagoon in Messina (Italy). Extraction and ICP-MS analysis|
|Data di pubblicazione:||2008|
|Appare nelle tipologie:||1.1 Articolo in rivista|