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Can bioavailability of PAHs be assessed by a chemical means?

Reid, Brian J. and Jones, Kevin C. and Semple, Kirk T. (1999) Can bioavailability of PAHs be assessed by a chemical means? In: BIOREMEDIATION TECHNOLOGIES FOR POLYCYCLIC AROMATIC HYDROCARBON COMPOUNDS, 1900-01-01.

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Abstract

A method is presented for extracting PAHs from contaminated soil using aqueous solutions of hydroxypropyl-beta-cyclodextrin (HPCD). The procedure enables elucidation of ageing trends and illustrates kinetic restraints on compound release as ageing proceeds. A comparison is made between HPCD extracted fractions and the fractions obtained by traditionally established exhaustive methodologies i.e. dichloromethane (DCM) soxhlet extraction. Comparisons of the amount of soil associated C-14-radiolabelled compound mineralised by degrading microorganisms with the amount of compound extractable into HPCD solutions indicates a strong linear correlation with slope of unity. The data presented here supports the hypothesis that an aqueous solution of cyclodextrin can provides a good prediction of organic compound bioavailability in soil.

Item Type: Conference or Workshop Item (Other)
Journal or Publication Title: BIOREMEDIATION TECHNOLOGIES FOR POLYCYCLIC AROMATIC HYDROCARBON COMPOUNDS
Additional Information: 5th International In Situ and On-Site Bioremediation Symposium, SAN DIEGO, CA, APR 19-22, 1999
Subjects: G Geography. Anthropology. Recreation > GE Environmental Sciences
Departments: Faculty of Science and Technology > Lancaster Environment Centre
ID Code: 18593
Deposited By: Prof Kirk T. Semple
Deposited On: 27 Oct 2008 14:26
Refereed?: No
Published?: Published
Last Modified: 27 Jul 2012 01:59
Identification Number:
URI: http://eprints.lancs.ac.uk/id/eprint/18593

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