publication . Article . Other literature type . 2010

Trace metals in river bed sediments: an assessment of their partitioning and bioavailability by using multivariate exploratory analysis.

Devesa-Rey, R.; Díaz-Fierros, F.; Barral, M.T.;
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  • Published: 01 Dec 2010 Journal: Journal of Environmental Management, volume 91, pages 2,471-2,477 (issn: 0301-4797, Copyright policy)
  • Publisher: Elsevier BV
Abstract
In this study, river bed sediments were submitted to a BCR sequential extraction, together with three bioavailability tests: a weak acid elutriate (HCl), a physiologically based extraction test (PBET) and a toxicity characteristic leaching procedure (TCLP). The most remarkable features of the BCR procedure were: i) Mn and Zn showed the highest proportion of the F1 exchangeable fraction; ii) in addition to Fe, Pb and Zn were the metals with the higher percentages in the F2 reducible fraction; iii) Fe and Cu were the elements with the highest proportion of the F3 oxidizable fraction; iv) the application of Principal Component Analysis to the metals in each of the ...
Subjects
free text keywords: Environmental Engineering, Waste Management and Disposal, Management, Monitoring, Policy and Law, General Medicine, Environmental chemistry, Toxicity characteristic leaching procedure, Leaching (agriculture), Metal, visual_art.visual_art_medium, visual_art, Fractionation, Trace metal, Bioavailability, Chemistry, Trace element, Zinc, chemistry.chemical_element
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publication . Article . Other literature type . 2010

Trace metals in river bed sediments: an assessment of their partitioning and bioavailability by using multivariate exploratory analysis.

Devesa-Rey, R.; Díaz-Fierros, F.; Barral, M.T.;