Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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Record number 344817
Title Comprehensive two-dimensional gas chromatography of polybrominated diphenyl ethers
Author(s) Korytar, P.; Covaci, A.; Leonards, P.E.G.; Boer, J. de; Brinkman, U.A.Th.
Source Journal of Chromatography. A, Including electrophoresis and other separation methods 1100 (2005)2. - ISSN 0021-9673 - p. 200 - 207.
Department(s) RIVO Milieu en Voedselveiligheid
Publication type Refereed Article in a scientific journal
Publication year 2005
Keyword(s) decabromodiphenyl ether - debromination
Abstract Comprehensive two-dimensional gas chromatography with micro electron-capture detection (GC × GC¿¿ECD) was evaluated for the separation of 125 polybrominated diphenyl ethers (PBDEs). From among the six column combinations that were evaluated, DB-1 × 007-65HT was found to be the most suitable because of: (i) the highest number of BDE congeners separated; (ii) the least decomposition of higher brominated congeners; and (iii) the most suitable maximum operating temperature. The separation of the 125 BDE congeners from five hydroxy- and two methoxy-BDEs and nine other brominated flame retardants (polybrominated biphenyls, tetrabromobisphenol-A, methyl-tetrabromobisphenol-A and hexabromocyclododecane) was also studied. Fluorinated BDEs were found to be valuable internal standards for the determination of BDEs because of their very similar physico-chemical properties and excellent separation from the parent BDEs, mainly in the second dimension. GC × GC¿time-of-flight MS and GC × GC¿¿ECD were shown to be useful tools to identify decomposition products of nona- and deca-substituted BDEs, which are formed during the GC run. Three nona-BDEs were shown to be the major decomposition products of BDE 209
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