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  4. Effects of redox variations on metal speciation : implications on sediment quality criteria assessment
 
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Effects of redox variations on metal speciation : implications on sediment quality criteria assessment

Citation Link: https://doi.org/10.15480/882.453
Publikationstyp
Conference Paper
Date Issued
1994
Sprache
English
Author(s)
Förstner, Ulrich 
Calmano, Wolfgang  
Hong, Jihua  
Kersten, Michael  
Institut
Umwelttechnik und Energiewirtschaft V-9  
TORE-DOI
10.15480/882.453
TORE-URI
http://tubdok.tub.tuhh.de/handle/11420/455
Citation
D. Littlejohn ... (eds.) Reviews on analytical chemistry : [invited lectures from the proceedings of Euroanalysis VIII, Edinburgh, UK , September 1993], Cambridge 1994, pp. 83-102
New objectives regarding the improvement of water quality, as well as problems with the resuspension and land deposition of dredged materials, require a standardized assessment of sediment quality. Numerical criteria approaches, which are based on pore water concentrations, and the accumulation, solid/liquid partition, and elution properties of contaminants, usually do not imply variations of chemical interactions with solid matrices. Regarding the potential release of metals from sediments, changes in pH and redox conditions are of prime importance. To incorporate new experience with non-linear and time-delayed processes, special emphasis should be put on the characteristics of the mineral and organic solid matrices, e.g. to capacity controlling properties, and in particular, the buffer capacity against pH-depression.
Lizenz
http://doku.b.tu-harburg.de/doku/lic_ohne_pod.php
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