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Potential chlorinated and brominated interferences on the polybrominated diphenyl ether determinations by gas chromatography-mass spectrometry

AutorEljarrat, Ethel; Cal, Agustina de la; Barceló, Damià
Palabras clavePolybrominated diphenyl ethers
Polychlorinated biphenyls
Interference
Electron ionization
Negative ion chemical ionization
Fecha de publicación9-jul-2003
EditorElsevier
CitaciónJournal of Chromatography A: 998(2): 181-192 (2003)
ResumenThe analysis of polybrominated diphenyl ether (PBDE) congeners by GC–MS was studied in terms of potential interferences. Different MS approaches were normally used for the PBDE analyses: negative ion chemical ionization (NICI-MS) and electron ionization (EI-MS). This paper studied the presence of potential interferences in each instrumental technique approach, principally those corresponding to different chlorinated compounds (PCBs, PCNs, etc.) as well as brominated compounds (PBBs, MeO-PBDEs, TBBPA, etc.). The two ionization modes are subjected to different types of interferences. In general, EI-MS is affected by chlorinated interferences, especially PCBs. NICI-MS eliminated chlorinated interferences but presented different brominated interferences, well resolved with the EI-MS approach.
Descripción12 pages, 6 figures, 3 tables.-- PMID: 12967183 [PubMed].-- Printed version published Aug 8, 2003.
Versión del editorhttp://dx.doi.org/10.1016/S0021-9673(03)00980-4
URIhttp://hdl.handle.net/10261/19664
DOI10.1016/S0021-9673(03)00980-4
ISSN0021-9673 (Print)
1873-3778 (Online)
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