Characterization of radiocesium-bearing microparticles with different morphologies in soil around the Fukushima Daiichi nuclear power plant

被引：6
作者：
Hagiwara, Hiroki [1 ]
Funaki, Hironori [1 ]
Shiribiki, Natsu [2 ]
Kanno, Marina [2 ]
Sanada, Yukihisa [1 ]
机构：
[1] Japan Atom Energy Agcy, Collaborat Labs Adv Decommissioning Sci, 45-169 Kaihama Sukakeba,Haramachi, Minamisoma, Fukushima 9750036, Japan
[2] PESCO Co Ltd, Minato Ku, 2-5-12 Higashishinbashi, Tokyo 1050021, Japan
来源：
JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY | 2022年 / 331卷 / 01期
关键词：
Radiocesium-bearing microparticles; Fukushima Daiichi Nuclear Power Plant accident; Electron microscopy; Elemental composition; CESIUM-RICH MICROPARTICLES; RADIOACTIVE PARTICLES; ENVIRONMENT; ACCIDENT; URANIUM; FORMS; WATER;
D O I：
10.1007/s10967-021-08061-8
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
Radiocesium-bearing microparticles (CsMPs) from Fukushima Daiichi Nuclear Power Plant (FDNPP) are observed in Eastern Japan. To examine their source and formation, multiple particles were isolated from soils from three sites around the FDNPP and their radioactivity, morphology, and elemental composition were analyzed. Cesium-137 radioactivity ranged from 0.23 to 8.57 Bq and particles were primarily composed of Si, Fe, Zn, C, and Cs at each site. Uranium-rich parts in certain CsMPs show their origin in the vicinity of the nuclear reactor. Our results will help characterize CsMPs and evaluate the internal dose exposure of personnel employed at the FDNPP.
引用
收藏
页码：415 / 426
页数：12
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