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Occurrence, gas/particle partitioning and carcinogenic risk of polycyclicaromatic hydrocarbons and their oxygen and nitrogen containingderivatives in Xi'an, central China
Wei,C(Wei,Chong)[1,2,3,4]; Han,YM(Han,Yongming)[1,3]; Bandowe,B A. M(Bandowe,Benjamin A. Musa)[2]; Cao,JJ(Cao,Junji)[1,3,5]; Huang,RJ(Huang,Rujin)[1,6]; Ni,HY(Ni,Haiyan)[1,3,4]; Tian,J(Tian,Jie)[1,3,4]; Wilcke,W(Wilcke,Wolfgang)[2,7]
2015-02-01
发表期刊Science of the Total Environment
卷号505期号:2015页码:814-822
文章类型期刊论文
摘要

29 parent- and alkyl-polycyclic aromatic hydrocarbons (PAHs), 15 oxygenated-PAHs (OPAHs), 11 nitrated-PAHs (NPAHs) and 4 azaarenes (AZAs) in both the gaseous and particulate phases, as well as the particulate-bound carbon fractions (organic carbon, elemental carbon, char, and soot) in ambient air sampled in March and September 2012 from an urban site in Xi'an, central China were extracted and analyzed. The average concentrations (gaseous + particulate) of ∑ 29PAHs, ∑ 15OPAHs, ∑ 11NPAHs and ∑ 4AZAs were 1267.0 ± 307.5, 113.8 ± 46.1, 11.8 ± 4.8 and 26.5 ± 11.8 ng m− 3 in March and 784.7 ± 165.1, 67.2 ± 9.8, 9.0 ± 1.5 and 21.6 ± 5.1 ng m− 3 in September, respectively. Concentrations of ∑ 29PAHs, ∑ 15OPAHs and ∑ 11NPAHs in particulates were significantly correlated with those of the carbon fractions (OC, EC, char and soot). Both absorption into organic matter in particles and adsorption onto the surface of particles were important for PAHs and OPAHs in both sampling periods, with more absorption occurring in September, while absorption was always the most important process for NPAHs. The total carcinogenic risk of PAHs plus the NPAHs was higher in March. Gaseous compounds, which were not considered in most previous studies, contributed 29 to 44% of the total health risk in March and September, respectively.

关键词Polycyclic Aromatic Compounds Carbon Fractions Gas/particle Partitioning Carcinogenic Risk
DOI10.1016/j.scitotenv.2014.10.054
收录类别SCI
语种英语
引用统计
被引频次:56[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ieecas.cn/handle/361006/9499
专题粉尘与环境研究室
作者单位1.Key Laboratory of Aerosol Chemistry & Physics (KLACP), Institute of Earth Environment, Chinese Academy of Sciences, Xi'an 710075, China;
2.Geographic Institute, University of Berne, Hallerstrasse 12, 3012 Berne, Switzerland;
3.State Key Laboratory of Loess and Quaternary Geology (SKLLQG), Institute of Earth Environment, Chinese Academy of Sciences, Xi'an 710075, China;
4.University of Chinese Academy of Sciences, Beijing 100049, China;
5.Institute of Global Environmental Change, Xi'an Jiaotong University, Xi'an 710049, China;
6.Laboratory of Atmospheric Chemistry, Paul Scherrer Institute, 5232 Villigen PSI, Switzerland;
7.Institute of Geography and Geoecology, Karlsruhe Institute of Technology (KIT), Reinhard-Baumeister-Platz 1, 76131 Karlsruhe, Germany
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GB/T 7714
Wei,C,Han,YM,Bandowe,B A. M,et al. Occurrence, gas/particle partitioning and carcinogenic risk of polycyclicaromatic hydrocarbons and their oxygen and nitrogen containingderivatives in Xi'an, central China[J]. Science of the Total Environment,2015,505(2015):814-822.
APA Wei,C.,Han,YM.,Bandowe,B A. M.,Cao,JJ.,Huang,RJ.,...&Wilcke,W.(2015).Occurrence, gas/particle partitioning and carcinogenic risk of polycyclicaromatic hydrocarbons and their oxygen and nitrogen containingderivatives in Xi'an, central China.Science of the Total Environment,505(2015),814-822.
MLA Wei,C,et al."Occurrence, gas/particle partitioning and carcinogenic risk of polycyclicaromatic hydrocarbons and their oxygen and nitrogen containingderivatives in Xi'an, central China".Science of the Total Environment 505.2015(2015):814-822.
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