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2,2′,4,4′,5,5′-Hexabromodiphenyl ether (BDE153) Sierra Rayne a,⁎, Peter Wan a , Michael Ikonomou b a b Department of Chemistry, University of Victoria, PO Box 3065, Victoria, British Columbia, Canada V8W 3V6 Institute of Ocean Sciences, Fisheries and Oceans Canada, 9860 West Saanich Road, Sidney, British Columbia, Canada V8L 4B2 Received 5 September 2005;
BDE101 was generated photochemically from BDE153 in 100% CH3 CN at 302 nm irradiation and was identified as the only remaining unidentified penta-BDE congener from the primary photodebromination of BDE153 (analytical standards were available for the other two primary photodebromination products, BDEs 99 and 118, although BDE118 was initially identified in the photoproduct mixture using previously published RRT models for a smaller set of mono- to hexa-BDEs [8,9]).
BDE15, BDEs28/33, BDE75, BDE47, BDE66, BDE100, BDE119, BDE99, BDE155, BDE154, and BDE153.
Identities and Retention Times for the 35 PBDE Congeners, from Mono- through Hexa-Brominated, under Consideration in This Study congener RT (min) 2-BDE1 3-BDE2 4-BDE3 2,6-BDE10 2,4-BDE7 3,3′-BDE11/2,4′-BDE8 3,4-BDE12 3,4′-BDE13 4,4′-BDE15 2,4,6-BDE30 2,4′,6-BDE32 2,2′,4-BDE17 2,3′,4-BDE25 2′,3,4-BDE33/2,4,4′-BDE28 3,3′,4-BDE35 3,4,4′-BDE37 2,4,4′,6-BDE75 2,2′,4,5′-BDE49 2,3′,4′,6-BDE71 2,2′,4,4′-BDE47 2,3′,4,4′-BDE66 3,3′,4,4′-BDE77 2,2′,4,4′,6-BDE100 2,3′,4,4′,6-BDE119 2,2′,4,4′,5-BDE99 2,3,4,5,6-BDE116 2,2′,3,4,4′-BDE85 2,2′,4,4′,6,6′-BDE155 2,2′,4,4′,5,6′-BDE154 2,2′,4,4′,5,5′-BDE153 2,2′,3,4,4′,6′-BDE140 2,2′,3,4,4′,5-BDE138/2,3,4,4′,5,6-BDE166 8.88 9.28 9.77 16.27 18.80 19.83 20.47 20.72 21.48 25.25 27.25 27.98 28.15 28.85 29.43 30.07 33.22 33.75 33.85 34.55 35.30 36.42 38.40 38.78 39.52 39.70 41.30 41.62 42.33 43.47 44.05 44.72 combinations of low and higher brominated congeners were examined as potential RRT bases (e.g., BDE15/BDE99), as has been reported for the development of PCB retention time models24 in which the RRT of a congener is calculated as relative to the average retention time of a low and a higher brominated congener.