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成渝经济区河流表层沉积物中多溴联苯醚的分布特征

张 亮 廖海清 郭建阳 汤 智 郭 飞 吴丰昌 孙文春

张 亮, 廖海清, 郭建阳, 汤 智, 郭 飞, 吴丰昌, 孙文春. 成渝经济区河流表层沉积物中多溴联苯醚的分布特征[J]. 环境科学研究, 2011, 24(8): 842-849.
引用本文: 张 亮, 廖海清, 郭建阳, 汤 智, 郭 飞, 吴丰昌, 孙文春. 成渝经济区河流表层沉积物中多溴联苯醚的分布特征[J]. 环境科学研究, 2011, 24(8): 842-849.
ZHANG Liang, LIAO Hai-qing, GUO Jian-yang, TANG Zhi, GUO Fei, WU Feng-chang, SUN Wen-chun. Distribution Characteristics of Polybrominated Diphenyl Ethers in Surface River Sediments from the Cheng-Yu Economic Zone[J]. Research of Environmental Sciences, 2011, 24(8): 842-849.
Citation: ZHANG Liang, LIAO Hai-qing, GUO Jian-yang, TANG Zhi, GUO Fei, WU Feng-chang, SUN Wen-chun. Distribution Characteristics of Polybrominated Diphenyl Ethers in Surface River Sediments from the Cheng-Yu Economic Zone[J]. Research of Environmental Sciences, 2011, 24(8): 842-849.

成渝经济区河流表层沉积物中多溴联苯醚的分布特征

基金项目: 国家重点基础研究发展计划(973)项目(2008CB418200)

Distribution Characteristics of Polybrominated Diphenyl Ethers in Surface River Sediments from the Cheng-Yu Economic Zone

  • 摘要: 在成渝经济区内采集了19个表层沉积物样品,采用GC/MS方法对其中的PBDEs(Polybrominated Diphenyl Ethers,多溴联苯醚)进行了检测. 结果表明,沉积物中w(ΣPBDEs)(ΣPBDEs包括BDE-1,BDE-15,BDE-17,BDE-28,BDE-47,BDE-66,BDE-71,BDE-85,BDE-99,BDE-100,BDE-126,BDE-138,BDE-153,BDE-154,BDE-166,BDE-181,BDE-183和BDE-190)为0.20~6.45 ng/g,w(BDE-209)为0.44~6.29 ng/g. 与其他地区相比,成渝经济区内PBDEs的污染水平相对较低, 大部分样品中的PBDEs以BDE-209为主,说明成渝经济区河流沉积物中的PBDEs主要来自十溴联苯醚; 但PBDEs的组成特征显示,彭山岷江大桥沉积物中的PBDEs主要来自五溴联苯醚,而官渡沉积物中的PBDEs主要来自八溴联苯醚. 此外,一些以往工作较少关注的PBDEs单体,如BDE-1,BDE-15,BDE-181和BDE-190等,不但在沉积物中的检出率较高(均高于70%),而且有的含量也相对较高.

     

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出版历程
  • 收稿日期:  2010-11-04
  • 修回日期:  2011-01-07
  • 刊出日期:  2011-08-25

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