Temporal trend (1988-2008) of hexabromocyclododecane enantiomers in herring gull eggs from the german coastal region

被引：38

作者：

Esslinger, Susanne ^{[1
]}

Becker, Roland ^{[1
]}

Jung, Christian ^{[1
]}

Schroeter-Kermani, Christa ^{[2
]}

Bremser, Wolfram ^{[1
]}

Nehls, Irene ^{[1
]}

机构：

[1] BAM Fed Inst Mat Res & Testing, D-12489 Berlin, Germany

[2] UBA Fed Environm Agcy, D-14195 Berlin, Germany

来源：

CHEMOSPHERE | 2011年 / 83卷 / 02期

关键词：

Brominated flame retardant; Chiral separation; HPLC-ESI-MS/MS; Enantiomer-specific bioaccumulation; BROMINATED FLAME RETARDANTS; POLYBROMINATED DIPHENYL ETHERS; STRUCTURE ELUCIDATION; GREAT-LAKES; BALTIC SEA; NORTH-SEA; ORGANOCHLORINES; HBCD; STEREOCHEMISTRY; ACCUMULATION;

D O I：

10.1016/j.chemosphere.2010.12.047

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Levels of alpha-, beta-, and gamma-hexabromocyclododecane (HBCD) were determined in pooled eggs from herring gulls (Larus argentatus) sampled on three bird sanctuaries near the German North Sea coast between 1988 and 2008 (Mellum and Trischen) and the German Baltic Sea coast between 1998 and 2008 (Heuwiese) and archived by the German Environmental Specimen Bank Pressurized fluid extraction, gel permeation chromatography, and LC-MS/MS using C-13(12)-labelled isotope standards and a chiral column were applied. alpha-HBCD was the dominating diastereomer and ranged between 3.7 and 107 ng g(-1) lw while beta-and gamma-HBCD were throughout close to LOQ. The highest a-HBCD concentration was found in eggs from Mellum sampled in the year 2000. Interestingly, HBCD in eggs from the three islands displayed similar time courses with levels increasing to a peak contamination around 2000 and decreasing levels ever since. Chiral signatures of alpha-HBCD in eggs differed among the islands but indicated a preferential enrichment of the first eluting enantiomer (-)-alpha-HBCD. (C) 2010 Elsevier Ltd. All rights reserved.

引用

页码：161 / 167

页数：7

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