微流量调节阀在液体饱和蒸气压测定实验中的应用

张帅, 张健, 边绍伟, 赵亚萍, 沈丽, 咸春颖

Application of a Micro-Flow Regulating Valve in Saturated Vapor Pressure Measurements

Shuai Zhang, Jian Zhang, Shaowei Bian, Yaping Zhao, Li Shen, Chunying Xian

表2 乙醇饱和蒸气压实验数据记录表

编号 沸点t/℃ 沸点T/K 103T?1/K?1 压力差Δp/kPa 蒸气压p =大气压+ Δp/kPa ln(p/kPa) 1 30.04 303.04 3.298 ?90.76 10.78 2.378 2 34.11 307.11 3.256 ?88.24 13.30 2.588 3 38.07 311.07 3.213 ?85.17 16.37 2.795 4 42.08 315.08 3.172 ?81.44 20.10 3.001 5 46.01 319.01 3.133 ?77.00 24.54 3.200 6 50.00 323.00 3.095 ?71.82 29.72 3.392 7 53.97 326.97 3.057 ?65.65 35.89 3.580