<報文>ビスマス-亜鉛およびビスマス-カドミウム溶融合金の熱力学的研究

概要

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The thermochemical functions of the liquid bismuth-zinc and bismuth-cadmium system were determined by means of emf measurement of the galvanic cell, in the temperature range between 400 to 600℃. The type of the galvanic cell was used as follow : [chemical formula] In the bismuth-zinc system, the activities of the both components show the positive deviation from the behavior of ideal solution. In the bismuth-cadmium system, the activities of cadmium are found to be negative deviation from the behavior of ideal solution in the range of N_<Cd>=0.2 to 0.7 and slightly positive deviation below N_<Cd>=0.2 and above N<Cd>=0.7. Further activities of bismuth are changed from negative to positive deviation from the ideality at about N_<Bi>=0.5 with increase of the concentration of bismuth. It is considered that the both of liquid bismuth-zinc and liquid bismuth-cadmium system are neither the ideal solution nor the regular solution.
東北大学の論文
1965-10-05