NDLI: PLE and GC–MS Determination of Polybrominated Diphenyl Ethers in Soils

Content Provider	Springer Nature Link
Author	Zhang, Zulin Shanmugam, Murali Rhind, Stewart M.
Copyright Year	2010
Abstract	We describe a pressurized liquid extraction (PLE) method, followed by gas chromatography-mass spectrometry, for the determination of polybrominated diphenyl ethers (PBDEs) in soil samples. Different extraction solvents (isohexane, dichloromethane, acetone and methanol), either alone or in combination, were used to extract these target compounds from spiked soil samples. Variables affecting the PLE extraction efficiency, such as pressure, temperature, number of extraction cycles and static extraction time were studied; the optimum parameters were 1,500 psi, 100 °C, 1 cycle and 5 min, respectively. Purification of crude extracts from the PLE system was achieved by adsorption chromatography using different proportions of acid silica and activated silica; the most effective mixture being either 10 g acid modified silica : 5 g silica or 15 g acid modified silica : 0 g silica. The PLE based method was compared with more traditional Soxhlet and ultrasonic extraction methods; overall the mean percentage recoveries using PLE were 95 ± 9%, and compared favourably with the Soxhlet 94 ± 4% and were better than the ultrasonic method 108 ± 36%. The limits of detection and quantification of the proposed method were 11–54 and 38–180 pg g−1, respectively, for the different PBDE studied. The developed method was linear over the range from 0.05 to 30 ng g−1 except for PBDE 183 of 0.10–30 ng g−1. The established method was successfully applied to soil samples from Scotland, UK, for the determination of the target PBDEs.
Starting Page	535
Ending Page	543
Page Count	9
File Format	PDF
ISSN	00095893
Journal	Chromatographia
Volume Number	72
Issue Number	5-6
e-ISSN	16121112
Language	English
Publisher	Vieweg Verlag
Publisher Date	2010-07-30
Publisher Place	Wiesbaden
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Gas chromatography–mass spectrometry Pressurized liquid extraction Accelerated solvent extraction Soil analysis Polybrominated dipenyl ethers Measurement Science and Instrumentation Plant Sciences Biochemistry Pharmacy Organic Chemistry Analytical Chemistry
Content Type	Text
Resource Type	Article
Subject	Organic Chemistry Analytical Chemistry Biochemistry Clinical Biochemistry

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Erratum to: PLE and GC–MS Determination of Polybrominated Diphenyl Ethers in Soils

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