Study of seasonal variation and source characteristic of PM10 of Shanghai urban atmosphere using PIXE
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- 作者：Akram Waheed ; Yuanxun Zhang ; Liangman Bao ; Qingchen Cao ; Guilin Zhang ; Yan Li and Xiaolin Li
- 关键词：Pixe ; PM10 ; Enrichment factor
- 刊名：Journal of Radioanalytical and Nuclear Chemistry
- 出版时间：February, 2010
- 出版年：2010
- 期刊代码：48_02365731
- 类别：ch
- 卷：283
- 期：2
- 页码：427-432
- 数据来源：sp
摘要
This study is a one-year monitoring of the inhalable particulate matter (PM10) of Shanghai (from January 2006 to December 2006) to study PM10 pollution. Proton-induced X-ray emission (PIXE) was used to investigate the chemical elements in Shanghai PM10. The study finds seasonal variation in both mass concentration and of chemical elements in PM10. The results of the enrichment factor show that the chemical elements in the inhalable particles could be divided into two categories, soil elements from earth crust and anthropogenic pollution elements. The high enrichment factors suggest that anthropogenic activities were the dominant source for elements such as S, Cu, Cl, Zn, Pb and Br. Strong correlation of K, Ca, Fe and Ti, from factor analysis, indicates these elements coming from earth crust or soil, S, Zn and Pb from industrial pollution and/or traffic and Cl from coal combustion.