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

Equilibrium partitioning of hydrophobic 14C-benzo( a)pyrene and hydrophilic 14C-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...

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Bibliographic Details
Published in:Environmental pollution (1987) 2005, Vol.135 (3), p.491-500
Main Authors: Séquaris, J.-M., Lavorenti, A., Burauel, P.
Format: Article
Language:English
Subjects:
Applied sciences
arable soils
benazolin
benzopyrene
Biological and physicochemical properties of pollutants. Interaction in the soil
chemical concentration
Crop residues
Earth sciences
Earth, ocean, space
Engineering and environment geology. Geothermics
Equilibrium partitioning models
Exact sciences and technology
fractionation
Organic chemicals
polluted soils
Pollution
Pollution, environment geology
Soil and sediments pollution
soil chemical properties
Soil phases
soil pollution
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Summary:Equilibrium partitioning of hydrophobic 14C-benzo( a)pyrene and hydrophilic 14C-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 μm), microaggregate (MA) phase (2 μm–20 μm), colloid (COL) phase (
ISSN:0269-7491
1873-6424
DOI:10.1016/j.envpol.2004.10.018