Abstract
The concentrations of 14 rare earth elements were determined by spark source mass spectrometry for atmospheric aerosol samples collected in the metropolitan area, the urban residential area and the rural area of Osaka, Japan. The relative concentrations (normalized to La concentration) of rare earth elements for atmospheric aerosol fell between those for sandstone and for granite ; both the sandstone and the granite were predominant rocks in the vicinity of Osaka. The atmospheric concentrations of rare earth elements were dependent on the area's geology. The main source of these elements was found to be the crustal materials generated near the sampling site.
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