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http://dx.doi.org/10.7733/jnfcwt.2016.14.4.331

Establishment of the Physicochemical and Radiological Database of Raw Materials and By-Products in Domestic Distribution  

Lim, Chung-Sup (Korea Atomic Energy Research Institute)
Lim, Jong-Myoung (Korea Atomic Energy Research Institute)
Park, Ji-Young (Korea Atomic Energy Research Institute)
Chung, Kun Ho (Korea Atomic Energy Research Institute)
Kim, Chang-Jong (Korea Atomic Energy Research Institute)
Chang, Byung-Uck (Korea Institute of Nuclear Safety)
Ji, Young-Yong (Korea Atomic Energy Research Institute)
Publication Information
Journal of Nuclear Fuel Cycle and Waste Technology(JNFCWT) / v.14, no.4, 2016 , pp. 331-341 More about this Journal
Abstract
To evaluate the physicochemical and radiological properties of raw materials and by-products in domestic distribution, about 220 samples with 16 species were prepared. We measured the energy spectrum and the chemical content, such as U, Th, and K, using a $LaBr_3$ scintillation detector and ED-XRF. In addition, HPGe detector was used to analyze the radioac-tivity of $^{234}Th$, $^{234}mPa$, and $^{214}Bi$ in uranium decay series and $^{228}Ac$, $^{212}Pb$, and $^{208}Tl$ in thorium decay series, and $^{40}K$. The correlation between characteristic variables, such as the count rate in several ROIs, chemical content, and radioactivity, was assessed to infer the radioactivity of natural radionuclides through a rapid screening method. Based on the results, a characteristic database for raw material and by-product in domestic distribution was established and it will provide useful information in the analysis procedure and improve the accuracy and reproducibility in the analysis of natural radionuclides.
Keywords
NORM; Raw materials; By-products; Characteristic database;
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Times Cited By KSCI : 1  (Citation Analysis)
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