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2170999 
Journal Article 
Gas chromatographic enantiomer separation of some selected polycyclic xenobiotics using modified cyclodextrins 
Koske, G; Leupold, G; Parlar, H 
1997 
1 
Fresenius Environmental Bulletin
ISSN: 1018-4619
EISSN: 1610-2304 
6 
7-8 
489-493 
WOS:A1997XJ34100022 
The enantiomers of several polychlorinated xenobiotics (heptachlor, cis- and trans-chlordane, trans- and cis-heptachlorepoxide, oxychlordane, photo-heptachlor and photo-heptachlor-epoxide, photo-dieldrin, photo-chlordene, alpha-HCH, o,p'-DDT and o,p'-DDD) have been separated by gas chromatography with three beta-cyclodextrin derivatives as chiral selectors. Two of these selectors were dissolved in a polysiloxane stationary phase and one was chemically bonded to a polysiloxane backbone via hydrosilylation. The order of elution of some of the xenobiotics was determined by comparison with enantiomerically enriched reference compounds. 
enantioselective gas chromatography; cyclodextrine derivatives; polychlorinated pesticides; cyclodiene photoconversion products 
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