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Citation: Fan Yu, Bao Li. Testing the Buffer Capacity of Baby Wipes: An Experiment Close to Life[J]. University Chemistry, ;2020, 35(1): 76-79. doi: 10.3866/PKU.DXHX201905022 shu

Testing the Buffer Capacity of Baby Wipes: An Experiment Close to Life

Fan Yu ^1, ,
Bao Li ²

1.
Key Laboratory of Optoelectronic Chemical Materials and Devices of Ministry of Education, School of Chemical and Environmental Engineering, Jianghan University, Wuhan 430056, P. R. China;
2.
School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan 430074, P. R. China

Received Date: 6 May 2019

In order to effectively enhance students' interest and enthusiasm in learning buffer solution, a case of introducing real daily necessities into laboratory teaching is recommended. The experimental design extends the property test to the baby wipe, and changes the content of the experiment into the verification of the working principle of wipe, instead of preparation of simple acid-base system and related verification experiments in the past. Through the implementation of this experiment, students generally reflected that it can effectively stimulate their enthusiasm and interest in learning buffer solution related contents, and ultimately promote them to recognize the characteristics and buffer mechanism of pH changes in buffer system.
- Buffer solution,
- Baby wipe,
- Experimental design,
- Learning interest
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