苯和甲苯的物性参数.docx

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1、表3-1苯和甲苯的物理性质项目分子式分子量M沸点（℃）临界温度tC（℃）临界压强PC（kPa）苯AC6H678.1180.1288.56833.4甲苯BC6H5—CH392.13110.6318.574107.7表3-2苯和甲苯的饱和蒸汽压温度80.1859095100105110.6,kPa101.33116.9135.5155.7179.2204.2240.0，kPa40.046.054.063.374.386.0表3-3常温下苯—甲苯气液平衡数据温度80.1859095100105液相中苯的摩尔分率1.0000.780

2、0.5810.4120.2580.130汽相中苯的摩尔分率1.0000.9000.7770.6300.4560.262表3-4纯组分的表面张力温度8090100110120苯，mN/m甲苯，Mn/m21.221.72020.618.819.517.518.416.217.3表3-5组分的液相密度温度(℃)8090100110120苯,kg/814805791778763甲苯,kg/809801791780768表3-6液体粘度µ温度(℃)8090100110120苯（mP.s）0.3080.2790.2550.2330.21

3、5甲苯（mP.s）0.3110.2860.2640.2540.228表3-7常压下苯——甲苯的气液平衡数据温度t℃液相中苯的摩尔分率x气相中苯的摩尔分率y110.560.000.00109.911.002.50108.793.007.11107.615.0011.2105.0510.020.8102.7915.029.4100.7520.037.298.8425.044.297.1330.050.795.5835.056.694.0940.061.992.6945.066.791.4050.071.390.1155.075.

4、580.8060.079.187.6365.082.586.5270.085.4475.088.584.4080.091.283.3385.093.682.2590.095.981.1195.098.080.6697.098.880.2199.099.6180.01100.0100.0