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Determination of decabromodiphenyl ether in sediments using selective pressurized liquid extraction followed by GC-NCI-MS

AuthorsEljarrat, Ethel ; Cal, Agustina de la; Barceló, Damià
KeywordsDecabromodiphenyl ether
Selective pressurized liquid extraction
Issue Date4-Feb-2004
CitationAnalytical and Bioanalytical Chemistry 378(3): 610-614 (2004)
AbstractA method based on selective pressurized liquid extraction (SPLE) followed by gas chromatography–negative ion chemical ionization-mass spectrometry (GC–NCI-MS) has been evaluated for analysis of decabromodiphenyl ether (PBDE-209) in sediment samples. Instrumental operating conditions such as source temperature and system pressure were optimized in the NCI-MS system, giving an instrumental detection limit of 2 pg. The limit of determination of the entire SPLE–GC–NCI-MS procedure was around 50 pg g–1 dry weight (dw), with repeatability of replicates between 4 and 21% relative standard deviation. Application of the method to 13 different river and marine sediment samples collected in Spain revealed that levels of decabromodiphenyl ether ranged between 2 and 132 ng g–1 dry weight.
Description5 pages, 3 figures, 2 tables.-- PMID: 14513196 [PubMed].-- Available online Sep 25, 2003.
Publisher version (URL)http://dx.doi.org/10.1007/s00216-003-2220-7
Appears in Collections:(IDAEA) Artículos
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