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- W2784663840 abstract "多溴联苯醚(PBDEs)是一种新型的持久性有机污染物(POPs).采用固相萃取-气相色谱法测定了某塑料企业周边及当地自然水体中的PBDEs浓度,主要针对BDE-17、28、47、66、85、99、100、138、153、154、183、203及BDE-209共13个PBDE同系物的浓度水平、组成分布和污染特征进行分析.结果显示,使用企业周边水体中除BDE-203在水体中未检出外,其余12种PBDE同系物均有不同程度的检出.∑13PBDEs质量范围处于未检出～363 ng· L-1,各同系物的平均质量浓度为未检出～ 42.6ng·L-1.其中BDE-209为最大检出质量丰度同系物,但其检出率仅为25.0％,检出率较高的同系物是BDE-17、BDE-28和BDE-100,检出率分别为75.0％、75.0％、58.3％,低溴代联苯醚的检出率显著高于高溴代联苯醚.当地自然水体中13种PBDEs均有不同程度的检出,检出浓度在0.161 ～ 1.83 ng·L-1.企业周边水体中PBDEs的污染水平显著高于自然水体,是自然水体浓度的5～ 100倍.因此,企业周边区域水体中PBDEs的污染情况应引起相关部门关注." @default.
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- W2784663840 date "2016-01-01" @default.
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- W2784663840 title "Pollution Characteristics of Polybrominated Diphenyl Ethers in Water Surrounding Plastic Enterprise" @default.
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