Welcome to Journal of University of Chinese Academy of Sciences,Today is

›› 2007, Vol. 24 ›› Issue (5): 688-691.DOI: 10.7523/j.issn.2095-6134.2007.5.022

• 简报 • Previous Articles     Next Articles

Source identification of single Lead-containing particles in the ambient air of Shanghai city in winter 2004

LI Xiao-Lin, BAO Liang-Man, LIU Jiang-Feng, YUE Wei-Sheng, LI Yan, CHANG Gui-Lin   

  1. Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai 201800
  • Received:1900-01-01 Revised:1900-01-01 Online:2007-09-15

Abstract: Single aerosol particles in Shanghai air in winter 2004 were analyzed by proton microprobe. The micro-PIXE coupled with a pattern recognition technique was applied to identify the sources of single lead-containing particles. Seven source types were identified. They were automobile exhaust, metallurgical industry, coal combustion, soil dust, diesel exhaust, motorcycle exhaust and cement dust. The lead pollution in Shanghai air was derived mainly from the metallurgical industry and coal combustion after phasing out leaded gasoline in 1997.

Key words: aerosol, PM10, lead, proton microprobe, pattern recognition.

CLC Number: