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Spectral characterization of two bioaccumulated methoxylated polybrominated diphenyl ethers
Stockholm University, Faculty of Science, Department of Applied Environmental Science (ITM).
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2006 (English)In: Chemosphere, ISSN 0045-6535, E-ISSN 1879-1298, Vol. 62, no 2, 197-203 p.Article in journal (Refereed) Published
Abstract [en]

Two methoxylated polybrominated diphenyl ethers (MeO-PBDEs) were isolated from a True’s beaked whale (Mesoplodon mirus) and identified by NMR (1H, 1H–1H and 1H–13C) and high resolution mass spectrometry as 2-(2′,4′-dibromophenoxy)-3,5-dibromoanisole (6-MeO-BDE47) and 2-(2′,4′-dibromophenoxy)-4,6-dibromoanisole (2′-MeO-BDE68). Previously the structures of these bioaccumulated compounds have been determined by comparison of their mass spectra and gas chromatographic (GC) retention times with those of authentic standards. While this method is accepted and generally successful, NMR of the isolated compounds allows us to definitively identify the congeners. Our characterizations are consistent with those made for MeO-PBDEs in other organisms, identified by chromatographic methods.

Place, publisher, year, edition, pages
2006. Vol. 62, no 2, 197-203 p.
Keyword [en]
Nuclear magnetic resonance (NMR); Mass spectrometry (MS); Isolation; Compound specific analysis
URN: urn:nbn:se:su:diva-17513DOI: 10.1016/j.chemosphere.2005.05.023PubMedID: 16005047OAI: diva2:184034
Available from: 2007-10-15 Created: 2007-10-15 Last updated: 2010-05-17Bibliographically approved

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Asplund, LillemorGustafsson, ÖrjanUnger, MariaMarsh, Göran
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Department of Applied Environmental Science (ITM)Department of Environmental Chemistry
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