使用 Picker 流动微量量热器系统测量了298.15K 和常压下甲醇+,乙醇+,正丙醇+,正丁醇+和正戊醇+苯体系的摩尔过量焓。所得结果,一般较间歇式量热器的测量数据稍高。这些体系的最大过量焓在~x 醇=0.30～0.33.正链醇+苯体系的摩尔过量焓的数值,在 C_1～C_5之间,随着醇分子中碳原子的数目增多而升高,但两相邻醇 H~E 的差值,则随碳链的增长而逐,渐减小。 The molar excess enthalpy of methanol +, ethanol +, n-propanol +, n-butanol + and n- pentanol + benzene at 298.15 K and atmospheric pressure was measured using a Picker mobile microcalorimeter system. The result is generally slightly higher than the measurement data for intermittent calorimeters. The maximum excess enthalpy of these systems is ~ x alcohol = 0.30 ~ 0.33. The molar excess enthalpy of n-alkanol + benzene increased from C_1 to C_5 as the number of carbon atoms in the alcohol increased The difference between the two adjacent alcohols H ~ E, then with the carbon chain growth, by gradually decreasing.