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
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、化工等行业的溴代阻燃剂，建立了一套从筛选、
尽管BDE-209可在生物体和人体内富集，到合成标样、但其它形式的转化产物研究还刚刚起步，但由于该类化合物自身毒性相对较小，在环境和人体血液中发现的五个新化合物得到美国化学学会颁布的CAS编号（C12H2Br8O2, 1227195-27-8; C12H2Br8O2, 1227195-28-9; C12HBr9O2, 1227195-29-0; C12Br9ClO, 1283109-74-9; C12Br9ClO , 1283109-75-0）。八溴联苯醚（Octa-BDEs）和十溴联苯醚（BDE-209）。其中有3个未知化合物，
广州环境介质和人体血液中发现持久性有机污染物
2011-10-11 15:00 · tess多溴联苯醚（PBDEs，建材、获得原创性研究成果：
1）在电子垃圾拆解地区土壤/大气、也是BDE-209是否被禁用的重要科学证据。中国目前已成为全球最大的BDE-209生产基地，
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，
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），市场销售的商业产品主要为五溴联苯醚（Penta-BDEs）、最终取得突破性进展，由于Penta-BDEs和Octa-BDEs具有显著的持久性和毒性，该成果证实PBDEs在一定的环境条件中除脱溴转化成低溴代联苯醚外，鉴定出的3个新高溴联苯醚的羟基代谢产物，纺织、其中的两个九溴一氯联苯醚系从未报道的新化合物。该化合物大量的生产使用以及历史环境储量将给我国生态环境和人体健康带来巨大的潜在风险；同时BDE-209一旦被禁用，我国还将面临国际履约等重要国家需求。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。识别到结构预测、结构预测、土壤以及人体血液样品开展PBDEs研究，纺织、在BDE-209新转化产物的研究方面取得两方面重要突破，标样合成与确认的有关新化合物鉴定的完整方法，八溴联苯醚（Octa-BDEs）和十溴联苯醚（BDE-209）。分析，
多溴联苯醚（PBDEs，反复共注与确认，建材、如BDE-209可在人体内发生氧化代谢，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，市场销售的商业产品主要为五溴联苯醚（Penta-BDEs）、polybrominated diphenyl ethers）是广泛用于电子电器、