Study of metal fractionation in river sediments. A comparison between kinetic and sequential extraction procedures.
作者： M Jesús Gismera , Javier Lacal , Pilar da Silva , Rosario Garcı́a , M Teresa Sevilla
DOI: 10.1016/J.ENVPOL.2003.08.004
关键词:
摘要: The extraction kinetic of trace metals (Cd, Cu, Pb, and Zn) in river sediments by four agents was studied. As extractants ammonium acetate, acetic acid, hydroxylamine EDTA solutions were assayed. These reagents can leach the more or less selectively from several metal compartments sediments. leaching model permits classification species labile moderately-labile ones. combination two non specific a high characterisation distribution leachability. results obtained with this compared data SM&T sequential procedure, order to characterise chemical nature leached metal.
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