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KMID : 0364920040290030173
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Journal of Radiation Protection and Research
2004 Volume.29 No. 3 p.173 ~ p.177
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Iodine Deposition onto the Chinese Cabbage
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Lee Han-Soo
Choi Hee-Joo
Kang Hee-Seok
Yoo Dong-Han
Keum Dong-Kwon
Lim Kwang-Muk
Park Hyo-Kuk
Choi Yong-Ho
Lee Chang-Woo
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Abstract
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The Chinese cabbage, being one of the principal foodstuffs in Asian countries, is tested for iodine exposure. As a radioactive source, iodine-125 of which the radiological half life is 60 days was used to measure the concentration change. Experiments were carried out four times with different times of exposure. The iodine source was prepared by the chemical reaction of NaI in order to avoid producing relatively large iodine which might be generated In the case of crystal evaporation. The deposition velocity was obtained from the integrated air concentration and surface concentration of the Chinese cabbage. The environmental half life was also calculated.
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KEYWORD
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Iodine, Chinese Cabbage, Dry deposition
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