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Rapid quantification of polycyclic aromatic hydrocarbons in hydroxypropyl-beta-cyclodextrin (HPCD) soil extracts by synchronous fluorescence spectroscopy (SFS).

Hua, Guoxiong and Broderick, John and Semple, Kirk T. and Killham, Ken and Singleton, Ian (2007) Rapid quantification of polycyclic aromatic hydrocarbons in hydroxypropyl-beta-cyclodextrin (HPCD) soil extracts by synchronous fluorescence spectroscopy (SFS). Environmental Pollution, 148 (1). pp. 176-181. ISSN 0269-7491

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Abstract

Synchronous fluorescence spectroscopy (SFS) was directly applied to rapidly quantify selected polycyclic aromatic hydrocarbons (PAHs: benzo[a]pyrene and pyrene) in aqueous hydroxypropyl-beta-cyclodextrin (HPCD) soil extract solutions from a variety of aged contaminated soils containing four different PAHs. The method was optimized and validated. The results show that SFS can be used to analyse benzo[a]pyrene and pyrene in HPCD based soil extracts with high sensitivity and selectivity. The linear calibration ranges were 4.0 x 10(-6)-1.0 x 10(-3) mM for benzo[a]pyrene and 6.0 x 10(-6)- 1.2 x 10(-3) mM for pyrenein 10 mM HPCD aqueous solution alone. The detection limits according to the error propagation theory for benzo[a]pyrene and pyrene were 3.9 x 10(-6) and 5.4 x 10(-6) mM, respectively. A good agreement between SFS and HPLC was reached for both determinations of PAHs in HPCD alone and in soil HPCD extracts. Hence, SFS is a potential means to simplify the present non-exhaustive hydroxypropyl-beta-cyclodextrin (HPCD)-based extraction technique for the evaluation of PAH bioavailability in soil. (C) 2006 Elsevier Ltd. All rights reserved.}

Item Type: Article
Journal or Publication Title: Environmental Pollution
Uncontrolled Keywords: benzo[a]pyrene ; pyrene ; bioavailability ; hydroxypropyl-beta-cyclodextrin (HPCD) ; synchronous fluorescence spectrometry (SFS) ; soil ; bioremediation}
Subjects: G Geography. Anthropology. Recreation > GE Environmental Sciences
Departments: Faculty of Science and Technology > Lancaster Environment Centre
ID Code: 18530
Deposited By: Prof Kirk T. Semple
Deposited On: 27 Oct 2008 12:09
Refereed?: Yes
Published?: Published
Last Modified: 18 Sep 2013 16:18
Identification Number:
URI: http://eprints.lancs.ac.uk/id/eprint/18530

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