Characterization of water-soluble ions of PM2.5 in Zhengzhou

Characterization of water-soluble ions of PM2.5 in Zhengzhou

The atmospheric aerosol PM2.5 is the main factor in the formation of atmospheric haze,and has become the chief pollutant in most cities of China.Atmospheric particulate PM2.5 sample collection in Zhengzhou,China is carried out for almost one week before the eve of the 2014 Spring Festival.By using t...

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Veröffentlicht in:Liang zi dian zi xue bao 2019-01 (4), p.495
Hauptverfasser: Wei, Xiuli, Gao, Minguang, Tong, Jingjing
Format: Artikel
Sprache:chi ; eng
Schlagworte:
Atmospheric aerosols
Haze
Infrared analysis
Infrared reflection
Pollutants
Pollution sources
Quantitative analysis
Water chemistry
Water pollution
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Zusammenfassung:The atmospheric aerosol PM2.5 is the main factor in the formation of atmospheric haze,and has become the chief pollutant in most cities of China.Atmospheric particulate PM2.5 sample collection in Zhengzhou,China is carried out for almost one week before the eve of the 2014 Spring Festival.By using the partial least squares（PLS）multivariate quantitative analysis model,attenuated total reflection Fourier transformed infrared spectroscopy（ATR-FTIR）of the water-soluble ions SO42-,NO3-and NH4+in Zhengzhou is analyzed,and the results axe compared with those of ion chromatography（IC）.The pollution characteristics and trend of SO42-NO3-and NH4+before the eve of the 2014 Spring Festival in Zhengzhou are analyzed,and the pollution sources of aerosol are preliminarily determined.
ISSN:1007-5461