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Estimation of reaction constants of actinide ions with O$$_{2}$$ in reaction cell in triple quadrupole inductively coupled plasma mass spectrometry

Kazama, Hiroyuki  ; Konashi, Kenji*; Suzuki, Tatsuya*; Sekio, Yoshihiro  ; Maeda, Koji  ; Koyama, Shinichi  ; Abe, Chikage*; Nagai, Yasuyoshi*

Ultratrace analysis technique is important to understand fuel debris in nuclear reactor core after sever accident. Ion-molecule reactions of actinides ($$^{237}$$Np, $$^{241}$$Am and $$^{244}$$Cm) in a reaction cell were measured by inductively coupled plasma mass spectrometry (ICP-MS/MS). These nuclides are included in fuel debris. A gas-phase ion-molecule reaction model has been developed to simulate the gas phase reactions in the reaction cell. The results of model simulation are good agreement with the flow rates dependences of experimental data accurately.

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Japanese

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日本放射化学会第67回討論会(2023)

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2023/09

Location (city)

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東広島

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日本

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Fukushima Daiichi Nuclear Power Station Accident; 福島第一原子力発電所事故; アクチノイド化学; 気相反応; 反応速度論; ICP-MS

Research Facility

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FMF(照射燃料集合体試験施設)  

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