Citation: ZHANG Yi, ZHANG Zhe, LIU Ming-Zhu, LI Jin, QIN Ran, WANG Yi-Shan, ZHENG Jiong, ZHENG Shen, LAI Jian-Hao, CHEN Ran, GAO Er-Ya, LI Dan-Tong, ZHU Xiao-Qi, LI Ji, YAN You-Qi, FENG Xue-Zhi, ZHAO Ming, HU Xin. Determination of the Second-Order Rate Constant for the Saponification of Ethyl Acetate by Real-Time Conductivity Measurements[J]. University Chemistry, ;2016, 31(3): 55-63. doi: 10.3866/PKU.DXHX20160355 shu

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

ZHANG Yi ¹ ,
ZHANG Zhe ¹ ,
LIU Ming-Zhu ¹ ,
LI Jin ¹ ,
QIN Ran ¹ ,
WANG Yi-Shan ¹ ,
ZHENG Jiong ¹ ,
ZHENG Shen ² ,
LAI Jian-Hao ² ,
CHEN Ran ² ,
GAO Er-Ya ² ,
LI Dan-Tong ² ,
ZHU Xiao-Qi ² ,
LI Ji ³ ,
YAN You-Qi ³ ,
FENG Xue-Zhi ³ ,
ZHAO Ming ^3,, ,
HU Xin ^3,,

1.
1 Beijing Zhong Ke Fan Hua Measurement & Control Technology Co., Ltd, Beijing 100083, P. R. China;
2.
2 School of Basic Medicine, Peking University, Beijing 100191, P. R. China;
3.
3 School of Pharmaceutical Sciences, Peking University, Beijing 100191, P. R. China

Corresponding author: ZHAO Ming, HU Xin,
Fund Project:

Determination of the second-order rate constant for the saponification of ethyl acetate has been a classical experiment in the physicochemical laboratory course for more than thirty years. In this paper, a new measurement system composed of the conductivity sensor and the computer equipped with the Nextkit Nano data acquisition card programmed with LabVIEW 2013, has been designed and constructed for multi-channel, parallel, real-time, and automatic acquisition of conductivity data. This setup has improved the teaching efficiency, and sets up an example for the future reforms of other classical experiments in chemical laboratory courses.
- Rate constant of chemical reactions,
- Conductivity,
- Real-time measurement,
- Parallel measurement,
- Multi-tunnel measurement
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