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Concentration characteristics of extractable organohalogens in PM2.5 and PM10 in Beijing, China
Xu DD(徐殿斗); Song Y(宋炎); Chai ZF(柴之芳); Xu, DD; Dan, M; Song, Y; Chai, ZF; Zhuang, GS
2005
发表期刊ATMOSPHERIC ENVIRONMENT
卷号39期号:22页码:4119-4128
通讯作者Chinese Acad Sci, Inst High Energy Phys, Lab Nucl Analyt Techn, Beijing 100049, Peoples R China ; Beijing Normal Univ, Atmospher Sci Res Ctr, Beijing 100875, Peoples R China
文章类型Article
摘要PM2.5 and PM10 samples were simultaneously collected at a downtown site in Beijing from May 2002 to April 2003 and analyzed by instrumental neutron activation analysis (INAA) and gas chromatography (GC) combined with organic solvent extraction method for the concentrations and distributions of extractable organohalogens (EOX), including extractable organo-chlorine (EOCl), -bromine (EOBr) and -iodine compounds (EOI), and organochlorinated pesticides (OCPs) and polychlorinated biphenyls (PCBs). The concentrations of EOX were increasing in the order of EOCl >> EOBr similar to EOI. EOCl accounted for 73-88% and 69-91% of EOX in PM2.5 and PM 10, respectively, suggesting that EOCl was the major component of the organohalogens in the atmosphere. The relative proportions of the known organochlorines (such as HCHs, DDTs, chlordanes, and PCBs) to total EOCl were 0.04-0.7% and 0.06-0.3% in PM2.5 and PM10, respectively, which implied that most of EOCl measured in aerosol was unknown. The ratios of alpha/gamma-HCH (0.9-1.5) and p,p'-DDE + DDD/p,p'-DDT (0.2-0.5) revealed the presence of the recent use of lindane and DDTs or impure dicofol in Beijing. In the plots of the logarithm of the OCPs concentrations versus reciprocal temperature (1/T), their linear relations were observed for PM2.5, which could be partly explained by temperature differences, but poor linearity for PM10. (c) 2005 Elsevier Ltd. All rights reserved.
关键词organochlorinated pesticides polychlorinated biphenyls instrumental neutron activation analysis extractable organochlorine
学科领域Environmental Sciences & Ecology; Meteorology & Atmospheric Sciences
研究领域[WOS]Environmental Sciences & Ecology ; Meteorology & Atmospheric Sciences ; Environmental Sciences & Ecology ; Meteorology & Atmospheric Sciences
DOI10.1016/j.atmosenv.2005.03.030
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语种英语
研究领域[WOS]Environmental Sciences & Ecology ; Meteorology & Atmospheric Sciences ; Environmental Sciences & Ecology ; Meteorology & Atmospheric Sciences
WOS类目Environmental Sciences ; Meteorology & Atmospheric Sciences
WOS记录号WOS:000230825400016
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被引频次:68[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/239961
专题院士
多学科研究中心
作者单位中国科学院高能物理研究所
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Xu DD,Song Y,Chai ZF,et al. Concentration characteristics of extractable organohalogens in PM2.5 and PM10 in Beijing, China[J]. ATMOSPHERIC ENVIRONMENT,2005,39(22):4119-4128.
APA 徐殿斗.,宋炎.,柴之芳.,Xu, DD.,Dan, M.,...&Zhuang, GS.(2005).Concentration characteristics of extractable organohalogens in PM2.5 and PM10 in Beijing, China.ATMOSPHERIC ENVIRONMENT,39(22),4119-4128.
MLA 徐殿斗,et al."Concentration characteristics of extractable organohalogens in PM2.5 and PM10 in Beijing, China".ATMOSPHERIC ENVIRONMENT 39.22(2005):4119-4128.
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