발간논문

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Vol.30, No.4, 388 ~ 394, 1992
Title
A Study on the Thermodynamic Properties of the Liquid Sb - Pb - Ag and Sb - Pb - Bi - Ag Systems
문남일Nam Il Moon, 이용학Yong Hack Lee
Abstract
This study was undertaken to investigate the distribution ratio of silver between metals and slags during lead slime smelting processes. The antimony activities of the lipuid Sb-Pb-Ag system at 1250K were determined by using isothermal and isopiestic equilibrium methods. At 1250K, the equilibrium distributions between the Sb₂O₃ PbO slag and Sb-Pb-Ag metal, and Sb-Pb-Bi-Ag metal were studied. The results are summarized as follows;l) The activities of Sb in liquid Sb-Pb-Ag system at 1250K showed a slight negative deviation from Raoult`s law at low Sb concentrations and obeyed Raoult`s law at high Sb concentrations. 2) Liquid Sb-Pb-Ag system presents the behaviors of regular solution in a minute error. 3) Difference between the behaviors of silver and other elements during lead slime smelting processes was also discussed based on the thermodynamic data obtained in present investigations.
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