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Evaluation of Soxhlet extraction, accelerated solvent extraction and microwave-assisted extraction for the determination of polychlorinated biphenyls and polybrominated diphenyl ethers in soil and fish samples
State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, 18# Shuangqing Road, Beijing 100085, China.
State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, 18# Shuangqing Road, Beijing 100085, China.
State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, 18# Shuangqing Road, Beijing 100085, China.
State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, 18# Shuangqing Road, Beijing 100085, China.ORCID iD: 0000-0002-5729-1908
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2010 (English)In: Analytica Chimica Acta, ISSN 0003-2670, E-ISSN 1873-4324, Vol. 663, no 1, 43-48 p.Article in journal (Refereed) Published
Abstract [en]

Three commonly applied extraction techniques for persistent organic chemicals, Soxhlet extraction (SE), accelerated solvent extraction (ASE) and microwave-assisted extraction (MAE), were applied on soil and fish samples in order to evaluate their performances. For both PCBs and PBDEs, the two more recent developed techniques (ASE and MAE) were in general capable of producing comparable extraction results as the classical SE, and even higher extraction recoveries were obtained for some PCB congeners with large octanol-water partitioning coefficients (K(ow)). This relatively uniform extraction results from ASE and MAE indicated that elevated temperature and pressure are favorable to the efficient extraction of PCBs from the solid matrices. For PBDEs, difference between the results from MAE and ASE (or SE) suggests that the MAE extraction condition needs to be carefully optimized according to the characteristics of the matrix and analyte to avoid degradation of higher brominated BDE congeners and improve the extraction yields.

Place, publisher, year, edition, pages
Elsevier, 2010. Vol. 663, no 1, 43-48 p.
National Category
Environmental Sciences Analytical Chemistry
Identifiers
URN: urn:nbn:se:oru:diva-38456DOI: 10.1016/j.aca.2010.01.035ISI: 000275580500008PubMedID: 20172095Scopus ID: 2-s2.0-77951621717OAI: oai:DiVA.org:oru-38456DiVA: diva2:764977
Note

Sponsors:

National Natural Science Foundation of China Grant(s): 20777079  20621703 

National Hi-tech Research and Development Program of China Grant(s): 2007AA061601  2007AA061602 

National Basic Research Program of China Grant(s): 2009CB421600

Available from: 2014-11-21 Created: 2014-11-07 Last updated: 2015-06-07Bibliographically approved

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