Partitioning, extractability and formation of nonextractable PAH residues in soil. One. Compound differences in aging and sequestration
Article Abstract:
Hydrophobic organic compounds' sorption into soil and sediment is important in controlling their environmental effects and fate, organic compounds that abide in soil exhibit less extractability to microorganisms and soil organisms with increased aging times. The amount of compound sequestration during sampling times was decided on by the extractability with organic solvents, and polycyclic aromatic hydrocarbons release from soil by base saponification extraction.
Publication Name: Environmental Science & Technology
Subject: Science and technology
ISSN: 0013-936X
Year: 2001
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Partitioning, extractability and formation of nonextractable PAH residues in soil. Two. Effects on compound dissolution behavior
Article Abstract:
The effect of physicochemical characteristics on polycyclic aromatic hydrocarbon sequestration in sterile sewerage sludge-amended arable soil was studied, and radiolabeled chemical compounds were aged up to 525 days and spiked in sterile soil microcosms. Biophasic desorption kinetics is seen more for hydrophobic organic chemicals sorbed to sediment and soil. Organic chemicals that have been aging in soil show a reduced amount of chemical that is available for microbial degradation, extraction, toxicity and bioaccumulation.
Publication Name: Environmental Science & Technology
Subject: Science and technology
ISSN: 0013-936X
Year: 2001
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Seasonal and species differences in the air-pasture transfer of PAHs
Article Abstract:
The following study undertakes the atmosphere transfer of polycyclic aromatic hydrocarbons (PAHs) over a whole growing season to different pasture species in a filed plot located at a site in semi-rural England. Ranges of partitioning behaviors in the atmosphere from exclusively particle bound to exclusively gas phases were displayed by the PAHs, which resulted in varying modes of deposition. The implications of the little differenced in the particle- and gas- phase PAHs retention and interception behaviors impact on food chain air-vegetation and transfer modeling are examined.
Publication Name: Environmental Science & Technology
Subject: Science and technology
ISSN: 0013-936X
Year: 2001
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