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本文采用Otsuki-Williams式汽液平衡釜测定了甲酸-乙酸-水体系及甲酸-乙酸-水-醋酸钠体系在98.66kPa下汽液平衡数据.醋酸钠的浓度为1mol/kg溶剂.结果表明,醋酸钠不仅对体系起化学作用,也起物理化学作用.它涉及到了盐溶、盐析和盐效应的不规则现象.
Vapor-liquid equilibrium data of formic acid-acetic acid-water system and formic acid-acetic acid-water-sodium acetate system at 98.66kPa were measured by Otsuki-Williams vapor-liquid equilibrium kettle.The concentration of sodium acetate was 1mol / Sodium acetate not only plays a chemical role in the system, but also plays a physicochemical role, which involves the irregularities of salt solution, salting-out and salt effects.