实时电导率法测定乙酸乙酯皂化反应速率常数

张毅,张喆,柳明洙,李锦,秦燃,王一杉,郑炯,郑申,赖建豪,陈然,高尔雅,李丹彤,朱肖淇,李击,鄢尤奇,冯雪芝,赵明,胡新

Determination of the Second-Order Rate Constant for the Saponification of Ethyl Acetate by Real-Time Conductivity Measurements

Yi ZHANG,Zhe ZHANG,Ming-Zhu LIU,Jin LI,Ran QIN,Yi-Shan WANG,Jiong ZHENG,Shen ZHENG,Jian-Hao LAI,Ran CHEN,Er-Ya GAO,Dan-Tong LI,Xiao-Qi ZHU,Ji LI,You-Qi YAN,Xue-Zhi FENG,Ming ZHAO,Xin HU

表1 两种不同的测定方法在不同温度下的电导率校正公式

t/℃ 传统法 虚拟仪器法AI0 虚拟仪器法AI5 25.0 30.0 35.0 κ校=1.016κ测+15.66 κ校=1.025κ测+14.88 κ校=1.025κ测+17.05 κ校=1.016κ测-49.36 κ校=1.062κ测-68.48 κ校=1.114κ测-88.78 κ校=1.025κ测-52.23 κ校=1.074κ测-70.38 κ校=1.132κ测-91.04 κ校:电导率校正值（μS/cm）κ测:电导率测定值（μS/cm）R2：0.989―0.999