Study on Redox Equilibrium of UO_2^<2+> /UO_2^+ in Molten NaCl-2CsCl by UV-Vis Spectrophotometry
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概要
- 論文の詳細を見る
In order to enhance the understanding of the redox equilibriums of uranyl ions in molten NaCl–2CsCl eutectic salt, UV–Vis absorption spectrophotometry measurements were performed for UO22+ and UO2+ in molten NaCl–2CsCl at 923 K under simultaneous electrolytic control of their ratio. A prominent absorption band at 395 nm was assigned to UO2+, and its molar absorptivity was determined to be 832±27 mol−1·l·cm−1. From the dependence of the rest potential of the melt on the spectrophotometrically determined ratio of [UO22+]/[UO2+], the standard redox potential of the couple UO22+/UO2+ was determined to be −0.903±0.007 V vs. Cl2/Cl−.
- 社団法人 日本原子力学会の論文
- 2004-06-25
著者
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Shirai Osamu
Div. Of Applied Life Sciences Graduate School Of Agriculture Kyoto Univ. Sakyo Kyoto 606-8502 Jpn
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Shirai O
Institute For Chemical Research Kyoto University
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YAMANA Hajimu
Research Reactor Institute, Kyoto University
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Shirai Osamu
Division Of Nuclear Engineering Science Research Reactor Institute Kyoto University
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Shirai Osamu
Research Reactor Institute Kyoto University
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Shirai Osamu
Department Of Nuclear Energy System Japan Atomic Energy Research Institute
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Fujii Toshiyuki
Research Reactor Institute Kyoto University
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Nagai Takayuki
Japan Atomic Energy Agency
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NAGAI Takayuki
Tokai Works, Japan Nuclear Cycle Development Institute
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Yamana H
Research Reactor Institute Kyoto University
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Yamana Hajimu
Research Reactor Institute Kyoto University
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Shirai O
Research Reactor Institute Kyoto University
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Nagai Takayuki
Oriental Medicine Res. Center Of The Kitasato Inst. Tokyo Jpn
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Nagai Takayuki
Tokai Works Japan Nuclear Cycle Development Institute
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Yamana Hajimu
Res. Reactor Inst. Kyoto Univ.
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Shirai Osamu
Division Of Applied Life Science Graduate School Of Agriculture Kyoto University
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Fujii Toshiyuki
Research Reactor Institute, Kyoto University
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FUJII Toshiyuki
Research Laboratories, Fujisawa Pharmaceutical Co., Ltd.
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NAKASHIMA Takuji
Kitasato Research Organization for Infection Control Sciences, Kitasato University
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