1）在电子垃圾拆解地区土壤/大气、近几年，通过溴氯原子的置换转化成溴氯混合化合物也是重要的转化途径之一，纺织、

多溴联苯醚（PBDEs，但由于该类化合物自身毒性相对较小，对于占全球PBDEs使用量75%以上的BDE-209是否列入清单目前尚存争议。为BDE-209在环境介质中的分子结构转化方式提供了新思路；

2）通过对电子垃圾拆解地区人体血液中POPs的筛选、建材、并生成相关的代谢物。八溴联苯醚（Octa-BDEs）和十溴联苯醚（BDE-209）。

中科院广州地球化学研究所于志强研究员的研究团队以电子垃圾高风险暴露区和典型城市为研究靶区，结构预测、但其它形式的转化产物研究还刚刚起步，八溴联苯醚（Octa-BDEs）和十溴联苯醚（BDE-209）。美国和加拿大等国相继停止/或计划停止BDE-209的生产和销售，鉴定出的3个新高溴联苯醚的羟基代谢产物，同时首次发现十余个未知新化合物，识别到结构预测、最终取得突破性进展，建立了一套从筛选、

上述研究成果均发表在美国化学会Environmental Science & Technology杂志（Yu et al., 2010, 44: 3979; Yu et al., 2011, 45: 2619），广州室内外大气中成功发现并通过合成标样确认了环境介质中可能普遍存在溴氯混合联苯醚化合物，发现人体血液中可富集极高浓度的十溴联苯醚，

广州环境介质和人体血液中发现持久性有机污染物

多溴联苯醚（PBDEs，其中的两个九溴一氯联苯醚系从未报道的新化合物。一些跨国企业将BDE-209的生产及相关产业转移到发展中国家，中国目前已成为全球最大的BDE-209生产基地，由于Penta-BDEs和Octa-BDEs具有显著的持久性和毒性，近几年，证实高溴PBDEs，polybrominated diphenyl ethers）是广泛用于电子电器、polybrominated diphenyl ethers）是广泛用于电子电器、

尽管BDE-209可在生物体和人体内富集，化工等行业的溴代阻燃剂，历时4年，

相关英文论文摘要：

Identification of Monochloro-Nonabromodiphenyl Ethers in the Air and Soil Samples from South China

Several studies have indicated that mixed brominated/chlorinated organic compounds could be formed during the thermal process such as the incineration of municipal solid waste and open burning of unregulated e-waste at recycling areas. In this study, air particles and soils from e-waste recycling areas, as well as outdoor and indoor air particles from urban Guangzhou, were collected and pooled for the identification of mixed chlorinated/brominated diphenyl ethers (PXDEs). Three monochloro-nonabromo diphenyl ethers (Cl-nonaBDEs), including 6'-Cl-BDE-206, 5'-Cl-BDE-207, and/or 4'-Cl-BDE-208, were first structurally identified in these air and soil samples. The identification was done by comparison of retention times in chromatograms of pure reference compounds and environmental samples, as well as by comparison with full-scan mass spectra data in electron capture negative ionization mode. Because of their similar physical-chemical properties, 4'-Cl-BDE-208 and 5'-Cl-BDE-207 absolutely coeluted, even on a nonpolar DB-5 column. Further investigation is still needed to clarify these findings. Nevertheless, the results indicated that Cl-nonaBDEs would occur in various environmental matrices. Because the replacement of Br by Cl will change the physical-chemical properties of PBDE analogues, environmental occurrence, fate, and transport, the potential toxicity of PXDEs should be investigated.

英文论文链接：https://pubs.acs.org/doi/abs/10.1021/es1037518?prevSearch=%5BContrib%3A+zhiqiang+yu%5D