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首页> 外文期刊>Journal of Phase Equilibria and Diffusion >EMF Study of the Liquid Sb-Sn-Zn Alloys
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EMF Study of the Liquid Sb-Sn-Zn Alloys

机译：液态Sb-Sn-Zn合金的EMF研究

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摘要

The measurement of electromotive force (EMF) of concentration cells was applied to obtain zinc activity in ternary liquid Sb-Sn-Zn alloys in a Zn_(liq)|(KCl-LiCl)_(cut) + ZnCl_2|(Sb-Sn-Zn)_(liq) galvanic cell. The measurements were carried out at temperatures from 723 up to 943 K for different Zn concentrations X_(Zn) and for five constant ratios of Sn to Sb mole fractions, which were 1/3,1, 3, 4 and 9. It was found out, that with increasing Sn concentration in the ternary alloys, the activity of Zn grew reaching the highest values for alloys of ratio Sn/Sb = 9 out of the ternary alloys examined. The observed straight-line changes of EMF matched a EMF = A + B * T equation. The calculated coefficients served to obtain the activities and excess Gibbs free energy for selected temperatures 823 and 923 K.
机译：运用浓度池的电动势（EMF）测量来获得三元液态Sb-Sn-Zn合金中Zn_（liq）|（KCl-LiCl）_（cut）+ ZnCl_2 |（Sb-Sn- Zn）_（liq）原电池。测量是在723至943 K的温度下，针对不同的Zn浓度X_（Zn）和五个恒定的Sn与Sb摩尔比（分别为1 / 3、1、3、4和9）进行的。结果表明，随着三元合金中Sn浓度的增加，在所研究的三元合金中，Sn / Sb = 9的合金的Zn活性达到最高值。观察到的EMF的直线变化与EMF = A + B * T方程匹配。计算出的系数有助于获得选定温度823和923 K的活度和吉布斯自由能。

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