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Measurement of Insoluble Mineral Particles in a Saturated Atmosphere  

Ma, Chang-Jin (Department of Environmental Science, Fukuoka Women's University)
Choi, Sung-Boo (Department of Environment, Yong In University)
Publication Information
Journal of Korean Society for Atmospheric Environment / v.24, no.E1, 2008 , pp. 44-53 More about this Journal
Abstract
This study was undertaken to measure the properties of individual mineral particles in an artificially saturated atmosphere at a vertical extinct mine with 430 m height. By synchrotron radiation X-ray fluorescence (SR-XRF) microprobe analysis, it was possible to determine the elemental composition of residual insoluble particles on individual cloud droplet replicas formed on the Collodion film. The XRF visualized elemental maps enabled us not only to presume the chemical mixing state of particles retained in cloud droplet, but also to estimate their source. Details about the individual mineral particles captured by artificial cloud droplets should be helpful to understand about the removal characteristics of dust particles such as interaction with clouds. Nearly all individual particles captured in cloud droplets are strongly enriched in Fe. Mass of Fe is ranged between 41 fg and 360 fg with average 112 fg. There is a good agreement between single particle analysis by SR-XRF and bulk particle analysis by PIXE.
Keywords
Mineral particle; Artificial cloud; Droplets; SR-XRF;
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Times Cited By KSCI : 1  (Citation Analysis)
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