The radioactivity of 3H of the metal samples from the nuclear sites was analyzed by using a commercialized high temperature furnace and a Liquid Scintillation Counter (LSC). The 3H activity of the sample was measured according to the duration of the high temperature combustion and the oxidation temperature. Basically, the recovery from the furnace was 90% for 3H and the LSC had a quenching efficiency of approximately 30 %. HNO3 was used as a trapping solution for 3H and the solution was cocktailed with a scintillator. The activity extracted from the sample was increased till the combustion time elapsed 60 minutes and the increasing rate was reduced continuously thereafter at 600 °C whereas 80% of radioactivity was extracted during the first 15 minutes at 900 °C. Also, the pretreatment for the metal sample, which included a high temperature combustion and trapping, had the time required of at least four hours at 900 °C. Finally, it was suggested that this high temperature combustion method could be applied to analyze the activity of the radioactive metal waste from the nuclear power plants.
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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
The Radioactivity of 3H in Metals by a High Temperature Furnace and a Liquid Scintillation Counter Available to Purchase
Hee Reyoung Kim,
Hee Reyoung Kim
Korea Atomic Energy Research Institute, Daejeon, Republic of Korea
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Geun Sik Choi,
Geun Sik Choi
Korea Atomic Energy Research Institute, Daejeon, Republic of Korea
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Sang Yun Park,
Sang Yun Park
Korea Atomic Energy Research Institute, Daejeon, Republic of Korea
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Chang Woo Lee,
Chang Woo Lee
Korea Atomic Energy Research Institute, Daejeon, Republic of Korea
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Moon Hee Han
Moon Hee Han
Korea Atomic Energy Research Institute, Daejeon, Republic of Korea
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Hee Reyoung Kim
Korea Atomic Energy Research Institute, Daejeon, Republic of Korea
Geun Sik Choi
Korea Atomic Energy Research Institute, Daejeon, Republic of Korea
Sang Yun Park
Korea Atomic Energy Research Institute, Daejeon, Republic of Korea
Chang Woo Lee
Korea Atomic Energy Research Institute, Daejeon, Republic of Korea
Moon Hee Han
Korea Atomic Energy Research Institute, Daejeon, Republic of Korea
Paper No:
ICEM2010-40181, pp. 491-496; 6 pages
Published Online:
April 5, 2011
Citation
Kim, HR, Choi, GS, Park, SY, Lee, CW, & Han, MH. "The Radioactivity of 3H in Metals by a High Temperature Furnace and a Liquid Scintillation Counter." 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. 491-496. ASME. https://doi.org/10.1115/ICEM2010-40181
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