Abstract
Experiment of vapor-liquid equilibrium (VLE) for Cu-Sb alloy in the range of 1150 to 1550 K at 10 Pa was investigated. The experimental data are compared with those calculated using Wilson equation, and a good agreement between the experimental and calculated values is obtained. A thermodynamic consistency of experimental VLE data and calculated values were tested by Herington test and Van Ness test, respectively. It can be seen that Cu3Sb is the main phase of the alloy from XRD pattern. The VLE diagram can be employed for designing the process and phase separation in vacuum distillation.
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