Scheda di dettaglio – i prodotti della ricerca

DatoValore
TitleMetal distribution in sediments from the Adriatic Sea.
AbstractTotal metal concentrations (Cu, Ni, Pb, Zn, Fe, and Mn) and their distribution in different chemical forms (speciation) were determined in sediments from the Adriatic Sea in order to evaluate contamination and mobility of metals. The study was carried out on marine sediments collected in two areas of the Adriatic Sea differently influenced by Po river waters. Metal distribution in the study area depends prevalently on water circulation and on organic matter distribution. Among metal levels, significant correlations between copper and zinc and between lead and nickel were found, suggesting common and specific sources. As regards metal speciation, the distribution of different chemical forms changes with the metal. The prevailing zinc phases, for example mobile forms, and sulphide together are greater than 50% of total metal. Nickel is mainly present in sediments as sulphide, and the preferential association of copper with organic matter is evident. Lead and manganese are preferentially found as mobile forms (more of 30% for lead, 40% or more for manganese).
SourceToxicological and environmental chemistry (Print) 92 (6), pp. 1065–1081
KeywordsAdriatic Seamarine sedimentsheavy metalsmetal speciation.
JournalToxicological and environmental chemistry (Print)
EditorGordon and Breach Science Publishers., New York, Stati Uniti d'America
Year2010
TypeArticolo in rivista
AuthorsCalace N., Cardellicchio N., Petronio B.M., Pietrantonio M., Pietroletti M.
Text168426 2010 Scopus 2 s2.0 77953093527 Adriatic Sea marine sediments heavy metals metal speciation. Metal distribution in sediments from the Adriatic Sea. Calace N., Cardellicchio N., Petronio B.M., Pietrantonio M., Pietroletti M. N. Calace a , N. Cardellicchio b , B.M. Petronio a , M. Pietrantonio a and M. Pietroletti a a Department of Chemistry, University La Sapienza , piazzale A. Moro 5, I 00185 Rome, Italy b CNR Institute for Coastal Marine Environment, via Roma 3, I 74100 Taranto, Italy Total metal concentrations Cu, Ni, Pb, Zn, Fe, and Mn and their distribution in different chemical forms speciation were determined in sediments from the Adriatic Sea in order to evaluate contamination and mobility of metals. The study was carried out on marine sediments collected in two areas of the Adriatic Sea differently influenced by Po river waters. Metal distribution in the study area depends prevalently on water circulation and on organic matter distribution. Among metal levels, significant correlations between copper and zinc and between lead and nickel were found, suggesting common and specific sources. As regards metal speciation, the distribution of different chemical forms changes with the metal. The prevailing zinc phases, for example mobile forms, and sulphide together are greater than 50% of total metal. Nickel is mainly present in sediments as sulphide, and the preferential association of copper with organic matter is evident. Lead and manganese are preferentially found as mobile forms more of 30% for lead, 40% or more for manganese . 92 http //www.tandf.co.uk/journals/titles/02772248.asp Rivista Internazionale metalli_adriatico_2010.pdf Articolo in rivista Gordon and Breach Science Publishers. 0277 2248 Toxicological and environmental chemistry Print Toxicological and environmental chemistry Print Toxicol. environ. chem. Print Toxicological and environmental chemistry. Print nicola.cardellicchio CARDELLICCHIO NICOLA TA.P05.016.001 Impatti Antropici sulla fascia costiera metodologie di monitoraggio e remediation di siti e sedimenti contaminati