Determination of Bioconcentration Factors of Eight Tetrachlorobenzyltoluenes in the Zebra MusselDreissena polymorpha

descriptionPublicationkeyboard_double_arrow_right Article 01 Jun 1996 Netherlands English Publisher:Elsevier BVJournal:Ecotoxicology and Environmental Safety, volume 34, pages 35-42 (issn: 0147-6513,

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Authors: van Haelst, A.G.; Zhao, Q.; van der Wielen, F.W.M.; Govers, H.A.J.; de Voogt, P.;

doi: 10.1006/eesa.1996.0042

pmid: 8793318

handle: 11245/1.123249

Determination of Bioconcentration Factors of Eight Tetrachlorobenzyltoluenes in the Zebra MusselDreissena polymorpha

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Abstract

Accurate duplicate bioconcentration factors were determined for tetrachlorobenzyltoluenes (TCBTs). This is the first study that quantifies bioconcentration factors for single TCBT isomers. A continuous flow uptake experiment was performed during 21 days with the zebra mussel (Dreissena polymorpha) as a test organism. Bioconcentration factors (BCFs) and rate constants were derived by an iterative integration method. With this method BCFs and rate constants can be derived from experimental data of a bio-concentration test, even if the concentration in the water is not constant and steady state has not been reached. Mean log BCF values of TCBTs ranged from 4.43 +/- 0.05 to 5.19 +/- 0.15 liter.kg-1 on a wet weight basis. The experimental log BCF values were compared with log BCF values of TCBTs, calculated according to linear and polynomial relationships between log BCF and log Kow.

Country

Netherlands

Related Organizations

University of Amsterdam
Netherlands

Keywords

570, Chromatography, Gas, Stereoisomerism, Polychlorinated Biphenyls, Bivalvia, Kinetics, Structure-Activity Relationship, Hydrocarbons, Chlorinated, Animals, Benzhydryl Compounds, Water Pollutants, Chemical

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