Please use this identifier to cite or link to this item: https://doi.org/10.15480/882.452
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Title: Changes of the density of charge on mineral soil components by adsorption of some metabolites of hydrocarbons
Language: English
Authors: Hollederer, Gorch 
Calmano, Wolfgang 
Keywords: Adsorption;clay minerals;hydrocarbons;particle charge;sesquioxides
Issue Date: 1994
Source: 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
Abstract (english): 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.
URI: http://tubdok.tub.tuhh.de/handle/11420/454
DOI: 10.15480/882.452
ISBN: 3-7985-0994-8
Institute: Umwelttechnik und Energiewirtschaft V-9 
Type: InProceedings (Aufsatz / Paper einer Konferenz etc.)
License: http://doku.b.tu-harburg.de/doku/lic_ohne_pod.php
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