Trace metal distribution in the Arosa estuary (N.W. Spain) : the application of a recently developed sequential extraction procedure for metal partitioning

Santamaria-Fernández, Rebeca; Cave, Mark R.; Hill, Steve J.. 2006 Trace metal distribution in the Arosa estuary (N.W. Spain) : the application of a recently developed sequential extraction procedure for metal partitioning. Analytica Chimica Acta, 557 (1-2). 344-352. https://doi.org/10.1016/j.aca.2005.10.029

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Abstract/Summary

A study of the trace metal distribution in sediment samples from the Galician coast (Spain) has been performed. A multielement extraction method optimised via experimental design has been employed. The method uses centrifugation to pass the extractant solution at varying pH, through the sediment sample. The sequential leaches were collected and analysed by ICP-AES. Chemometric approaches were utilised to identify the composition of the physico-chemical components in order to characterise the sample. The samples collected at different sites could be classified according to their differences in metal bio-availability and important information regarding element distribution within the physico-chemical components is given. The method has proved to be a quick and reliable way to evaluate sediment samples for environmental geochemistry analysis. In addition, this approach has potential as fast screening method for the bio-availability of metals in the environment.

Item Type:	Publication - Article
Digital Object Identifier (DOI):	https://doi.org/10.1016/j.aca.2005.10.029
Programmes:	BGS Programmes > Economic Minerals
ISSN:	00032670
Additional Keywords:	Sequential extraction; Metal partitioning; Chemometrics; Estuary; Sediments; ICP-AES
NORA Subject Terms:	Earth Sciences
Date made live:	30 Jul 2012 15:32 +0 (UTC)
URI:	https://nora.nerc.ac.uk/id/eprint/18918

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