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  4. Changes of the density of charge on mineral soil components by adsorption of some metabolites of hydrocarbons
 
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Changes of the density of charge on mineral soil components by adsorption of some metabolites of hydrocarbons

Citation Link: https://doi.org/10.15480/882.452
Publikationstyp
Conference Paper
Date Issued
1994
Sprache
English
Author(s)
Hollederer, Gorch  
Calmano, Wolfgang  
Institut
Umwelttechnik und Energiewirtschaft V-9  
TORE-DOI
10.15480/882.452
TORE-URI
http://tubdok.tub.tuhh.de/handle/11420/454
Citation
M. J. Schwuger ... (eds.) Surfactants and colloids in the environment : [... proceedings of the General Meeting of the German Colloid Society, Jülich, 1993], Darmstadt 1994, pp 130-4
The adsorption on clay minerals and sesquioxides of some polar degradation products of naphthalene and alkylated benzenes was investigated by 14C-tracer experiments. Surface charge density of the solids was measured by titration with sodium polyethene sulfonate and polydiallyl-dimethyl-ammonium chloride at pH-range 4-7. Adsorption of organic anions reduced the positive charge on oxidic surfaces and increased the density of negative charge on clay minerals, respectively. The increase of the density of charge on clay minerals indicated an effective bonding mechanism. Changes of the density of charge were due to the adsorption of anions. The method is suitable for screening the interaction between polar metabolites of hydrocarbons and mineral soil components.
Subjects
Adsorption
clay minerals
hydrocarbons
particle charge
sesquioxides
Lizenz
http://doku.b.tu-harburg.de/doku/lic_ohne_pod.php
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