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Sakoda, Akihiro Graduate School of Health Sciences, Okayama University
Hanamoto, Katsumi Graduate School of Health Sciences, Okayama University
Ishimori, Yu Ningyo-toge Environmental Engineering Center, Japan Atomic Energy Agency
Nagamatsu, Tomohiro Graduate School of Health Sciences, Okayama University
The chemical composition was analyzed and the radioactivity, radon exhalation rate and emanation fraction were measured to investigate the characteristics of the granites sampled at Misasa and Badgastein, world famous for radon therapy. The Misasa granite was probably composed of quartz, albite and microcline. The Badgastein granite was probably composed of quartz and muscovite. The radon exhalation rates and emanation fractions of the Misasa granite were much higher than those of the Badgastein granite, regardless of the Ra-226 activity concentrations.
radon emanation fraction
Published with permission from the copyright holder.
This is a author's copy,as published in Applied Radiation and Isotopes , 2008 Vol.66 Issue.5 pp.648-652
Publisher URL: http://dx.doi.org/10.1016/j.apradiso.2007.11.015
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Copyright © 2007 by Elsevier Ltd.
Applied Radiation and Isotopes
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