2007•Journal of the Graduate School of the Chinese Academy of SciencesRequires access

Analysis of aerosol number concentration and mass concentration using APS

Jianguo Liu

Abstract

Aerosol number and mass concentrations in rural area at Hefei city were measured simultaneously with home-made aerodynamic particle sizer(APS) and tapered element oscillating microbalance(TEOM).An empirical formulas was developed using multiple regression based on the relationship of number and mass concentration.Mass concentration of PM_(2.5) was calculated and its percentage in PM_(10) was also illustrated.Diurnal variations of number and mass concentrations of PM_(10) were presented and its cause has been discussed,which will provide scientific base for air pollution control strategy and methodology in Hefei city.

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Key concepts: Aerodynamic diameter, Aerosol, Mass concentration (chemistry), Environmental science, Atmospheric sciences, Particle number, Particle (ecology), Pollution