simultaneousmonitoringofpcbprofilesintheurbanairofdalianchinawithactiveandpassivesamplings
文献类型：期刊论文
| 作者 | Xu Qian3; Zhu Xiuhua3; Bernhard Henkelmann2; KarlWerner Schramm2; Chen Jiping1; Wang Wei3; Gerd Pfister2; Mu Jun3; Qin Songtao3; Li Yan1 |
| 刊名 | journalofenvironmentalsciences
 |
| 出版日期 | 2013-01-01 |
| 卷号 | 25期号:1页码:133 |
| ISSN号 | 1001-0742 |
| 英文摘要 | The concentration of polychlorinated biphenyls (PCBs) in the urban air of Dalian, China was monitored from November 2009 to October 2010 with active high-volume sampler and semipermeable membrane device (SPMD) passive sampler. The concentration of PCBs (particle + gas) (Sigma PCBs) ranged from 18.6 to 91.0 pg/m(3), with an average of 50.9 pg/m(3), and the most abundant dioxin-like PCB (DL-PCBs) was PCB 118. The WHO-TEQ values of DL-PCBs were 3.6-22.1 fg/m(3), with an average of 8.5 fg/m(3), and PCB 126 was the maximum contributor to Sigma TEQ. There was a much larger amount of PCBs in the gas phase than in the particulate phase. The dominant PCB components were lower and middle molecular weight PCBs. With increasing chlorination level, the concentration of the PCB congeners in the air decreased. The gas-particulate partitioning of PCBs was different for the four seasons. The gas-particulate partitioning coefficients (logK(p)) vs. subcooled liquid vapor pressures (logP(L)(0)) of PCBs had reasonable correlations for different sampling sites and seasons. The absorption mechanism contributed more to the gas-particulate partitioning process than adsorption. Correlation analysis of meteorological parameters with the concentration of PCBs was conducted using SPSS packages. The ambient temperature and atmospheric pressure were important factors influencing the concentration of PCBs in the air. The distribution pattern of the congeners of PCBs and the dominant contributors to DL-PCBs and TEQ in active samples and SPMDs passive samples were similar. SPMD mainly sequestrated gas phase PCBs. |
| 资助项目 | [National Natural Science Foundation of China] ; [DAAD (German Academic Exchange Service) Scientific Research Visiting Scholarship] ; [Chinese National Programs for High Technology Research and Development] ; [State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences] ; [Key Laboratory of Industrial Ecology and Environmental Engineering, Ministry of Education of China] ; [Scientific Research Foundation for Returned Overseas Chinese Scholars, Ministry of Education of China] |
| 语种 | 英语 |
| 源URL | [http://cas-ir.dicp.ac.cn/handle/321008/176715]  |
| 专题 | 大连化学物理研究所_中国科学院大连化学物理研究所 |
| 作者单位 | 1.中国科学院大连化学物理研究所 2.Helmholtz Zentrum Munchen - German Research Center for Environmental Health, Molecular EXposomics , Ingolstadter Landstr 3.大连交通大学 |
| 推荐引用方式 GB/T 7714 | Xu Qian,Zhu Xiuhua,Bernhard Henkelmann,et al. simultaneousmonitoringofpcbprofilesintheurbanairofdalianchinawithactiveandpassivesamplings[J]. journalofenvironmentalsciences,2013,25(1):133. |
| APA | Xu Qian.,Zhu Xiuhua.,Bernhard Henkelmann.,KarlWerner Schramm.,Chen Jiping.,...&Li Yan.(2013).simultaneousmonitoringofpcbprofilesintheurbanairofdalianchinawithactiveandpassivesamplings.journalofenvironmentalsciences,25(1),133. |
| MLA | Xu Qian,et al."simultaneousmonitoringofpcbprofilesintheurbanairofdalianchinawithactiveandpassivesamplings".journalofenvironmentalsciences 25.1(2013):133. |
入库方式： OAI收割
来源：大连化学物理研究所
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