著者
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
出版者
日本食品化学学会
雑誌
日本食品化学学会誌 (ISSN:13412094)
巻号頁・発行日
vol.23, no.1, pp.43-48, 2016 (Released:2016-04-28)
参考文献数
10

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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