Carbon-14 analysis in solidified product of non-metallic solid waste by a combination of alkaline fusion and gaseous CO sub(2) trapping

In order to establish a simple and rapid analytical method for super(14)C in solidified products made from non-metallic low-level radioactive solid wastes such as concrete, mortar and glass by melting treatment, a radiochemical analysis in combination with alkaline fusion as a sample decomposition m...

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Published inApplied radiation and isotopes Vol. 69; no. 2; pp. 506 - 510
Main Authors Ishimori, Ken-Ichiro, Kameo, Yutaka, Matsue, Hideaki, Ohki, Yoshiyuki, Nakashima, Mikio, Takahashi, Kuniaki
Format Journal Article
LanguageEnglish
Published 01.02.2011
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Summary:In order to establish a simple and rapid analytical method for super(14)C in solidified products made from non-metallic low-level radioactive solid wastes such as concrete, mortar and glass by melting treatment, a radiochemical analysis in combination with alkaline fusion as a sample decomposition method was examined. A simulated solidified product containing super(14)C, which was prepared by using nuclear reaction super(14)N(n, p) super(14)C with thermal neutron irradiation, was analyzed by the present method to compare with a conventional radiochemical analysis using oxidizing combustion. The reproducible and quantitative recovery of super(14)C from the simulated solidified product indicates that the present method is more efficient for super(14)C analysis in solidified products than the conventional method using oxidizing combustion.
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ISSN:0969-8043
DOI:10.1016/j.apradiso.2010.10.014