Comparative analysis of distributions of radioactive cesium and potassium and stable cesium, potassium, and strontium in brown rice grains contaminated with radioactive materials released by the Fukushima Daiichi Nuclear Power Plant accident

被引：5
|
作者：
Kato, M. [1 ]
Okada, Y. [2 ]
Hirai, S. [2 ]
Minai, Y. [3 ]
Saito, S. [1 ]
Shibukawa, M. [1 ]
机构：
[1] Saitama Univ, Grad Sch Sci & Engn, Sakura Ku, 255 Shimo Okubo, Saitama 3388570, Japan
[2] Tokyo City Univ, Atom Energy Res Lab, Kawasaki, Kanagawa 2150013, Japan
[3] Musashi Univ, Nerima Ku, Tokyo 1760011, Japan
来源：
JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY | 2016年 / 310卷 / 01期
关键词：
Distributions of Cs-137; Cs-134; and K-40 in brown rice grains; Concentrations of stable Cs; K; and Sr; Fukushima Daiichi nuclear power plant accident; Water extraction; PADDY SOIL; CS-137; FOODS;
D O I：
10.1007/s10967-016-4824-3
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
The distributions of Cs-137, Cs-134, and K-40 as well as stable Cs, K, and Sr in bran, germ, and endosperm of brown rice contaminated by fallout from the Fukushima Daiichi Nuclear Power Plant were studied. It was found that Cs-137, Cs-134, and K-40 were accumulated in germ at the highest concentration and the concentration ratios of Cs and K in bran, germ, and endosperm were approximately identical to one another, while the highest concentration of Sr was detected for bran. Possible chemical forms of the metal elements in rice grains were discussed based on their extraction behavior with water and MgCl2 aqueous solution.
引用
收藏
页码：247 / 252
页数：6
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