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用静态法结合沸点仪比较法测定了氨基乙酸水溶液在不同浓度、不同温度时的蒸汽压,根据 GibbS-Duhem 方程,利用溶质活度系数与溶剂渗透系数的关系计算了氨基乙酸的活度系数和混合自由能。
The vapor pressure of aminoacetic acid aqueous solution at different concentrations and different temperatures was determined by the static method combined with the boiling point method. According to the GibbS-Duhem equation, the activity coefficient of glycine and the relationship between the activity coefficient and solvent permeability coefficient Mix free energy.