Investigation into Tritium Behaviour in Chinese cabbage and Rice after a Short-term Exposure of HTO
Kim, Sang-Bog;Lee, Myung-Ho;Choi, Gun-Sik;Choi, Young-Mo;Lee, Chang-Woo;
ABSTRACT
Tritium concentration in the atmosphere during HTO exposure was different between two experiments due to different velocity of HTO evaporation. Assimilation rate of the rice plant was considered to be higher than that of Chinese cabbage The uptake of atmospheric HTO into tissue free water tritium(TFWT) was higher in rice plants than in Chinese cabbage. However, organically bound tritium(OBT) concentration is relatively higher in Chinese cabbage than in rice. The specific activity ratio(SAR) increased slowly after HTO exposure and decreased gradually with time. The behaviour of HTO in the soil was affected by the environmental conditions.
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