Emerging brominated flame retardants and dechlorane-related compounds in European eels (Anguilla anguilla) from Latvian lakes.
作者： D. Zacs , L.E. Ikkere , V. Bartkevics
DOI: 10.1016/J.CHEMOSPHERE.2018.01.105
关键词: Contamination 、 Aquatic environment 、 Environmental chemistry 、 Hexabromocyclododecane 、 Chemistry 、 Composition (visual arts) 、 Decabromodiphenyl ethane 、 Aquatic biota
摘要: Abstract Fifteen halogenated flame retardants (HFRs) including seven emerging brominated (EBFRs) and eight dechlorane-related compounds (DRCs) were analyzed in eels (Anguilla anguilla) sampled from five Latvian lakes. Out of the EBFRs, hexabromocyclododecane (HBCD) decabromodiphenyl ethane (DBDPE) found quantifiable concentrations, up to 6.58 33.0 ng g−1 lipid weight (l.w.), respectively. The mean total concentration DRCs (∑DRC) samples was 0.62 ng g−1 l.w. geographical distribution DRC contamination nearly uniform among selected Dechlorane 602 (Dec 602) predominant component, whereas composition mixture containing syn- anti-Dechlorane Plus (DP) stereoisomers showed a pronounced enrichment anti-DP isomer close OxyChem® DP commercial product. determined concentrations HFRs lower than other studies aquatic biota Europe Asia, obtained results reflect acceptable environmental status lakes with regard content HBCD (∑HBCD), considering quality standards (EQS) stated Directive 2013/39/EU. highest ∑HBCD levels observed corresponding industrialization those areas, while principal component analysis (PCA) that depended on particular sampling lake, reflecting non-uniform environment this EBFR.
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