Equilibrium partitioning of (14)C-benzo(a)pyrene and (14)C-benazolin between fractionated phases from an arable topsoil

Equilibrium partitioning of hydrophobic (14)C-benzo(a)pyrene and hydrophilic (14)C-benazolin between fractionated phases from an arable topsoil of Merzenhausen (Germany) was investigated. Topsoil samples were collected from lysimeters which were incubated with different residual crops. A physical so...

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Bibliographic Details
Published in:Environmental pollution (1987) 2005-06, Vol.135 (3), p.491
Main Authors: Séquaris, J-M, Lavorenti, A, Burauel, P
Format: Article
Language:English
Subjects:
Adsorption
Benzo(a)pyrene - chemistry
Carbon Radioisotopes
Chemical Fractionation - methods
Germany
Imidazoles - chemistry
Mathematics
Models, Chemical
Soil Pollutants - analysis
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Summary:Equilibrium partitioning of hydrophobic (14)C-benzo(a)pyrene and hydrophilic (14)C-benazolin between fractionated phases from an arable topsoil of Merzenhausen (Germany) was investigated. Topsoil samples were collected from lysimeters which were incubated with different residual crops. A physical soil fractionation based on sedimentation and centrifugation steps was performed after water extraction. Four soil phases were obtained designated sediment (SED) phase (>20 microm), microaggregate (MA) phase (2 microm-20 microm), colloid (COL) phase (
ISSN:0269-7491
DOI:10.1016/j.envpol.2004.10.018