Title: Zinc and cadmium mobility in Podzol soils
Authors: Warwick, P ×
Hall, A
Pashley, V
Van der Lee, J
Maes, André #
Issue Date: 1999
Publisher: Pergamon-elsevier science ltd
Series Title: Chemosphere vol:38 issue:10 pages:2357-2368
Abstract: Zinc and Cadmium advection experiments are described which were carried out using columns packed with (a) Podzol B-h (b) Podzol B-Fe and (c) sand mixed with goethite. Aqueous NaCl and synthetic soil solutions were used as the mobile phases. The column cation and proton exchange capacities (CEC and PEC values) wee determined The CEC values were found to reflect the organic matter (OM) contents of the soils but not to correlate with the observed elution volumes. Differences in the exchange interactions and an overall lack of reaction of Cd and Zn with OM, at the prevailing pH values were deemed a, be responsible. The changes in the Zn and Cd elution behaviour observed in the presence of chloride were rationalised in terms of the formation of CdCl+ and CdCl2 species. (C) 1999 Elsevier Science Ltd. All rights reserved.
ISSN: 0045-6535
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Centre for Surface Chemistry and Catalysis
× corresponding author
# (joint) last author

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