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Abstract
The concentration characteristics of water-soluble ions in atmospheric fine particulate matter PM2.5 in Shenyang City were studied. Correlation analysis was carried out on the tested components. The results showed that SO42- and NO3- in the water-soluble ion concentration of PM2.5 in Shenyang City. The three ions of NH4+ account for a higher total ion concentration, accounting for 35.2%, 34.7%, and 11.6%, respectively. It was found that due to the unique terrain and climate of Shenyang, the spring pollution was more serious. Correlation analysis showed that the main forms of water-soluble ions in PM2.5 in Shenyang City were NO3NH4, KNO3, MgSO4, CaSO4 and so on.
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1 School of Resources & Civil Engineering, Northeastern University, Shenyang 110819, China
2 School of Resources & Civil Engineering, Northeastern University, Shenyang 110819, China; Stockbridge School of Agriculture, University of Massachusetts, MA 01002, USA
3 School of Resources & Civil Engineering, Northeastern University, Shenyang 110819, China; School of Civil and Environmental Engineering, Georgia Institute of Technology, GA 30332, USA