日本食品化学学会誌
Online ISSN : 2189-6445
Print ISSN : 1341-2094
ISSN-L : 1341-2094
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福島第一原子力発電所事故に由来した放射性セシウムが検出された食品のウラン濃度の調査
植草 義徳鍋師 裕美片岡 洋平渡邉 敬浩蜂須賀 暁子穐山 浩堤 智昭松田 りえ子手島 玲子
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2016 年 23 巻 1 号 p. 43-48

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The concentration of uranium (U-238) in various foods containing radioactive cesium (Cs-134 and Cs-137) derived from the Fukushima Daiichi nuclear power plant accident was determined using inductively coupled plasma mass spectroscopy. U-238 concentration in the foods that Cs-134 concentration was below the limits of detection and that was obtained before the accident, were also investigated. U-238 was detected in all 87 samples investigated and the concentration ranged from 0.038 to 130 mBq/ kg. In addition, no correlation was observed between the concentration of radioactive cesium and U-238. The range of U-238 concentration observed in the post-accident food samples was similar to that in the food samples that Cs-134 concentration was below the limits of detection and that in the pre-accident food samples, and to the literature values in foods previously reported. These results suggest that the U-238 concentration was not significantly different in the foods between before and after the accident.

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© 2016 日本食品化学学会
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