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KMID : 0364920160410040350
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Journal of Radiation Protection and Research
2016 Volume.41 No. 4 p.350 ~ p.353
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Attachment Behavior of Fission Products to Solution Aerosol
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Takamiya Koichi
Tanaka Toru
Nitta Shinnosuke
Itosu Satoshi
Sekimoto Shun
Oki Yuichi
Ohtsuki Tsutomu
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Abstract
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Background: Various characteristics such as size distribution, chemical component and radio-activity have been analyzed for radioactive aerosols released from Fukushima Daiichi Nuclear Power Plant. Measured results for radioactive aerosols suggest that the potential transport medium for radioactive cesium was non-sea-salt sulfate. This result indicates that cesium isotopes would preferentially attach with sulfate compounds. In the present work the attachment behavior of fission products to aqueous solution aerosols of sodium salts has been studied using a generation system of solution aerosols and spontaneous fission source of 248Cm.
Materials and Methods: Attachment ratios of fission products to the solution aerosols were compared among the aerosols generated by different solutions of sodium salt.
Results and Discussion: A significant difference according as a solute of solution aerosols was found in the attachment behavior.
Conclusion: The present results suggest the existence of chemical effects in the attachment behavior of fission products to solution aerosols.
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KEYWORD
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Radioactive aerosol, Solution aerosol, Attachment behavior, Attachment ratio, Fission product
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