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《Journal of Chengdu University of Technology(Science & Technology Edition)》 2014-01
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HPLC and sources of typical PAHs in Chengdu urban road dust

YUChao-qi;LIUBin;HANTing-ting;HE Xian;LI Chong-ying;College of Materials and Chemistry & Chemical Engineering,Chengdu University of Technology;Henan Geological Exploration Institute of CHEM;  
Polycyclic aromatic hydrocarbons(PAHs)has been concerned because of their toxicity,bioaccumulation,and semi-volatile,and persistence in the environment.The PAHs in urban road dust can reflect the emissions of PAHs in the adjacent areas of the road to some extent.This paper proposes a separation and analysis method of phenanthrene and anthracene,fluoranthene and pyrene,benzo[a]anthracene and chrysene in urban road dust with the precision of better than 4%,detection limit(mass fraction)of(1.6~4.7)×10-9 and recoveries of 72%~92%.The PAHs in road dust from different functional areas of Chengdu have been determined by this method.The total mass fraction is(1.57~7.15)×10-6.The content distribution and source apportionment of PAHs indicate that PAHs in the road dust are mainly from emissions of the sampling sites nearby.
【Fund】: 国家自然科学基金资助项目(41073085);; 四川省高等学校科技创新团队建设计划项目(12TD001)
【CateGory Index】: X734;O657.72
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