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Título: | Potential chlorinated and brominated interferences on the polybrominated diphenyl ether determinations by gas chromatography-mass spectrometry |
Autor: | Eljarrat, Ethel CSIC ORCID ; Cal, Agustina de la CSIC; Barceló, Damià CSIC ORCID | Palabras clave: | Polybrominated diphenyl ethers Polychlorinated biphenyls Interference Electron ionization Negative ion chemical ionization |
Fecha de publicación: | 9-jul-2003 | Editor: | Elsevier | Citación: | Journal of Chromatography A: 998(2): 181-192 (2003) | Resumen: | The 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. | Descripción: | 12 pages, 6 figures, 3 tables.-- PMID: 12967183 [PubMed].-- Printed version published Aug 8, 2003. | Versión del editor: | http://dx.doi.org/10.1016/S0021-9673(03)00980-4 | URI: | http://hdl.handle.net/10261/19664 | DOI: | 10.1016/S0021-9673(03)00980-4 | ISSN: | 0021-9673 | E-ISSN: | 1873-3778 |
Aparece en las colecciones: | (IDAEA) Artículos |
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