ABSTRACT
The mass size distribution of atmospheric aerosols is generally described as a bimodal distribution. Chemical composition is a key to understanding the behavior of aerosol particles in the atmosphere. The analysis of atmospheric aerosols is one of the most suitable fields for particle-induced X-ray emission (PIXE) analysis. PIXE analysis has such advantages as excellent sensitivity, nondestructive technique, and simultaneous measurement for multielements. The experimental system of PIXE analysis consists of an accelerator, an ion beam irradiation chamber, and a measurement system. The PIXE sample of the soluble component was prepared by the drying method. The elemental concentrations of both components were determined by PIXE analysis. The greatest advantage of PIXE analysis is in its excellent sensitivity as compared with other analytical methods. The calibration of the PIXE, that is, determination of the relationship of X-ray yield and mass thickness of each element, can be performed using a standard sample of known mass thickness.
