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Progress of 1F PCV contaminant analysis by TEM observation

福島第一原子力発電所格納容器内汚染物質にかかわるTEM分析の進捗

鈴木 晶大*; 橘内 裕寿*; 佐藤 一憲 

Suzuki, Akihiro*; Kitsunai, Yuji*; Sato, Ikken

福島第一原子力発電所1号機の格納容器内から採取された試料の透過型電子顕微鏡による詳細分析を行った。TMI-2及びチェルノブイリ原子力発電所4号機でも確認されているUを多く含むc-(U,Zr)O$$_{2}$$及びZrを多く含むt-(Zr,U)O$$_{2}$$が検出された。

Several contaminant samples from 1F1 primary containment vessel are carefully observed by transmission electron microscope to find micro-scale uranium-containing particles in their chemical forms of U-rich c-(U,Zr)O$$_{2}$$ and Zr-rich t-(Zr,U)O$$_{2}$$, which are also observed in fuel debris of TMI-2 and Chernobyl NPP-4.

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