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KMID : 0357520210440040381
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Journal of Radiological Science and Technology
2021 Volume.44 No. 4 p.381 ~ p.387
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Evaluation of Effects on Tritium Measurement According to HTO Type Sample Preparation Conditions
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An Eun-Mi
Kim Jung-Hoon
Lee Hong-Yeon
Han Sang-Jun
Kim Bo-Gil
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Abstract
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In this study, for the measurement of 3H(tritium) radioactivity concentration, a study was conducted on whether the type of cocktail and the material of the vial had an effect on the measurement before liquid scintillation counter measurement on HTO-type samples that had undergone physical and chemical pretreatment. As a result of the study, the efficiency according to the type of cocktail was higher in Ultima Gold LLT than Ultima Flo-AP cocktail with polyethylene (1.49%), glass (5.10%), and teflon (6.58%), respectively. Regarding the effect according to the type of vial, the efficiency and SQP(E) of both Ultima Gold LLT and Ultima Flo-AP showed the highest values in the order of teflon, polyethylene, and glass.
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KEYWORD
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Tritium, Liquid Scintillation Counter, Cocktail, Quenching, Vial
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