Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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Record number 353943
Title Tenax extraction mimics benthic and terrestrial bioavailability of organic compounds
Author(s) Hulscher, T.E.M. ten; Postma, J.; Besten, P.J. den; Stroomberg, G.J.; Belfroid, A.; Wegener, J.W.; Faber, J.H.; Pol, J.C. van der; Hendriks, A.J.; Noort, P.C.M. van
Source Environmental Toxicology and Chemistry (2003)10. - ISSN 0730-7268 - p. 2258 - 2265.
Department(s) Research Institute for Animal Husbandry
Centre for Ecosystem Studies
Publication type Refereed Article in a scientific journal
Publication year 2003
Keyword(s) polycyclic aromatic-hydrocarbons - natural sediments - quality criteria - rhine-delta - in-situ - water - equilibrium - sorption - accumulation - soils
Abstract Biota to sediment accumulation factors (BSAFs) are widely used to describe the potential accumulation of organic contaminants in organisms. From field studies it is known that these BSAFs can vary dramatically between sediments of different origin, which is possibly explained by the variation in bioavailability of organic contaminants in sediments. In the present study it is shown that the variability in BSAF values for different sediment samples obtained at two Dutch freshwater sites could largely be explained by the variation in Tenax-extractable concentrations in these sediments. Variations of a factor of about 50 could be explained. The ratio between concentrations in biota and Tenax-extractable concentrations in sediment varied slightly between sediments and contaminant class, but was close to the theoretically expected value of 2. This is a strong indication that Tenax-extractable concentrations of contaminants in sediments are an excellent indicator of available concentrations.
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