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Determination of $$^{129}$$I in the Accumulated radioactive water and processing water of the Fukushima Daiichi Nuclear Power Plant

福島第一発電所の滞留水と処理水に含まれる$$^{129}$$Iの定量

島田 亜佐子; 酒谷 圭一; 亀尾 裕; 高橋 邦明

Shimada, Asako; Sakatani, Keiichi; Kameo, Yutaka; Takahashi, Kuniaki

ゼオライトやスラッジなどの二次廃棄物の放射能量を見積もるために、福島第一発電所の放射性滞留水処理システムの前後から滞留水や処理水が採取された。これらの水試料に含まれるI $$^{-}$$を分析するために、固相抽出剤であるAnion-SRを用いた分離法を開発し、滞留水や処理水から分離した$$^{129}$$Iを反応セルを有する誘導結合プラズマ質量分析計により定量した。

Accumulated radioactive water and processing water were sampled from back and forth of the Accumulated radioactive water processing facility (ARWPF) at Fukushima Daiichi Nuclear Power Plant (FDNPP) to estimate the radioactivity of the secondary waste such as zeolite and sludge adsorbed radioactive material. Separation method of I$$^{-}$$ from the radioactive materials using solid phase extractant, Anion-SR, was developed, and the concentration of $$^{129}$$I in the accumulated water and processing water was determined by Inductively Coupled Plasma Mass Spectrometry including dynamic reaction cell (DRC-ICP-MS).

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パーセンタイル:63.46

分野:Chemistry, Analytical

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