为了更好地控制Zn、Pb等重金属在熔融处理过程中的挥发行为,需要确切了解复杂体系中Zn、Pb等重金属化合物的饱和蒸气压、活度等重要的热力学参数.本研究描述了利用气流携带法测定复杂体系中Zn、Pb等重金属饱和蒸气压的试验装置的设计、安装和数据有效性检验过程.研究过程中利用该装置测定了不同温度条件下标准物质NaCl的饱和蒸气压并与文献参考值进行对比,结果显示测量值与文献参考值吻合较好;同时,测定了不同温度条件下FeO-CaO-SiO2-Al2O3体系中ZnCl2的饱和蒸气压,结果显示970～1 030 K温度范围内上述体系中ZnCl2蒸气压随温度升高而升高,且ZnCl2蒸气压的对数与温度的倒数呈线性关系,与前人研究结果呈现出相似的趋势,说明利用该装置测试的数据是有效和可靠的.
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