Plant selective uptake of halogenated flame retardants at an e-waste recycling site in southern China.
作者： Shaorui Wang , Yan Wang , Chunling Luo , Jun Li , Hua Yin
DOI: 10.1016/J.ENVPOL.2016.04.071
关键词: Waste recycling 、 Environmental chemistry 、 Contamination 、 Shoot 、 Halogenated Diphenyl Ethers 、 Dechlorane plus 、 Chemistry 、 Polybrominated diphenyl ethers 、 Southern china 、 Terrestrial ecosystem
摘要: The concentrations and homolog patterns of halogenated flame retardants (HFRs) in vegetables grown at an e-waste contaminated site were investigated. Polybrominated diphenyl ethers (PBDEs) the dominant HFRs vegetable tissues, with ranging from 10.3 to 164 ng g(-1) 1.16-107 ng g(-1) shoots roots, respectively, followed by novel brominated (NBFRs) dechlorane plus (DPs). This is indication that PBDE contamination around recycling sites may pose a risk local terrestrial ecosystem residents. In addition, this first report on compositions NBFRs sites. varied greatly species, highest observed Brassica oleracea var. capitata. Root concentration factors (RCF) decreased increasing log Kow HFRs, which indicated uptake was controlled mainly Kow. Dissimilar profiles roots suggested translocation plants selective, lower congeners prone accumulation tissues. Positive relationships between PBDEs their substitutes suggesting replacement has not resulted obvious transition within study area.
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