In order to prepare simulated reference materials of solidified products using a laboratory-scale electric furnace instead of a plasma heating device, melting tests of miscellaneous simulated solid wastes were conducted. Over 90% of Cs was remained in the solidified product by keeping the basicity (CaO wt%/SiO2 wt%) to be 0.05. Under the optimum melting conditions, reference materials containing α-ray emitting nuclides (237Np, 241Am and 244Cm) or γ-ray emitting nuclides (60Co, 137Cs and 152Eu) were prepared. For reference materials containing β-ray emitting nuclides such as 14C and 36Cl, a preparation method with nuclear reaction 14N(n, p)14C or 35Cl(n, γ)36Cl by thermal neutron irradiation was attempted. The radioactivity concentrations of the reference materials were evaluated from radiochemical analysis. It was confirmed that the reference materials could be successfully prepared on the present preparation methods.
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ASME 2010 13th International Conference on Environmental Remediation and Radioactive Waste Management
October 3–7, 2010
Tsukuba, Japan
Conference Sponsors:
- Nuclear Engineering Division and Environmental Engineering Division
ISBN:
978-0-7918-5452-5
PROCEEDINGS PAPER
Preparation of Reference Materials on Radiochemical Analysis for Low-Level Radioactive Waste Generated From Japan Atomic Energy Agency
Ken-ichiro Ishimori,
Ken-ichiro Ishimori
Japan Atomic Energy Agency, Tokai, Ibaraki, Japan
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Yutaka Kameo,
Yutaka Kameo
Japan Atomic Energy Agency, Tokai, Ibaraki, Japan
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Mikio Nakashima,
Mikio Nakashima
Japan Atomic Energy Agency, Tokai, Ibaraki, Japan
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Kuniaki Takahashi
Kuniaki Takahashi
Japan Atomic Energy Agency, Tokai, Ibaraki, Japan
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Ken-ichiro Ishimori
Japan Atomic Energy Agency, Tokai, Ibaraki, Japan
Yutaka Kameo
Japan Atomic Energy Agency, Tokai, Ibaraki, Japan
Mikio Nakashima
Japan Atomic Energy Agency, Tokai, Ibaraki, Japan
Kuniaki Takahashi
Japan Atomic Energy Agency, Tokai, Ibaraki, Japan
Paper No:
ICEM2010-40111, pp. 117-123; 7 pages
Published Online:
April 5, 2011
Citation
Ishimori, K, Kameo, Y, Nakashima, M, & Takahashi, K. "Preparation of Reference Materials on Radiochemical Analysis for Low-Level Radioactive Waste Generated From Japan Atomic Energy Agency." Proceedings of the ASME 2010 13th International Conference on Environmental Remediation and Radioactive Waste Management. ASME 2010 13th International Conference on Environmental Remediation and Radioactive Waste Management, Volume 1. Tsukuba, Japan. October 3–7, 2010. pp. 117-123. ASME. https://doi.org/10.1115/ICEM2010-40111
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