STUDIES ON THE BEHAVIOR OF SEVERAL ELEMENTS IN THE FUSED BISMUTH-FUSED SALTS SYSTEM. II. ON THE BEHAVIOR OF COPPER IN THE FUSED BISMUTH--FUSED LiCl-KCl (EUTECTIC) SYSTEM (in Japanese)
The chemical state and distribution coefficient of copper in the fused bismuth---fused LiCl- KCl system were investigated at 550 deg C in argon or air atmosphere with and without oxidant and reductant. In argon atmosphere, a compound of monovalent copper was more stable than a compound of divalent copper in the fused LiCl- KCl. Then, the cupric chloride added to the fused LiCl- KCl was converted to a colorless compound of monovalent copper with lapse of time. On the other hand, a compound of divalent copper was stable in air atmosphere. The distribution coefficient of copper between fused bismuth and fused LiCl-KCl was 3 and 1 x 10/sup 2/ in argon and air atmosphere, respectively, at 550 deg C. It was found that the distnibution of copper between fused bismuth and fused LiCl- - KCl was influenced in argon atmosphere by the presence of reductant or oxidant, Using a bismuthmagnesium alloy (0.2% Mg) in place of bismuth, little copper was extracted from the alloy into the fused LiClKCl and the distribution coefficient of copper was made 2 x 10/sup -3/. When excess bismuth chloride was added to the fused LiCl- KCl as an oxidant, copper was almost completely extracted from the fused bismuth into the fused LiCl- KCl and oxidized to a divalent compound. After the added bismuth chloride was used up for the oxidation of Cu, the Cu extracted in the fused salt was converted to the monovalent state and transferred back into the fused Bi until an equilibrium was established. (auth)
- Research Organization:
- Japan Atomic Energy Research Inst., Tokyo
- NSA Number:
- NSA-18-019983
- OSTI ID:
- 4020207
- Journal Information:
- Nippon Genshiryoku Gakkaishi (Japan), Journal Name: Nippon Genshiryoku Gakkaishi (Japan) Vol. Vol: 6; ISSN NGEGA
- Country of Publication:
- Country unknown/Code not available
- Language:
- Japanese
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