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报道了一种测定汽液平衡的实验装置，在15.0℃～30.0℃的温度范围内测定了低压下亚硝酸乙酯──乙醇──水三元体系汽液平衡数据．并用NRTL方程进行了关联，计算值与实验值吻合较好．
An experimental device for the determination of vapor - liquid equilibrium was reported. The vapor - liquid equilibrium data of the ternary system of ethyl nitrite - ethanol - water at low pressure were measured in the temperature range of 15.0 ℃ ~ 30.0 ℃. The correlation was also obtained by using the NRTL equation. The calculated value is in good agreement with the experimental data.