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Citation: Yue Zhang, Haiying Yu, Junsheng Hao, Yue Jiang, Ziwei Wang, Bing Huang. Improved Experiment for Iodination of Acetone Based on Smartphone Reactor[J]. University Chemistry, ;2023, 38(4): 7-12. doi: 10.3866/PKU.DXHX202212026 shu

Improved Experiment for Iodination of Acetone Based on Smartphone Reactor

National Demonstration Center for Experimental Chemistry Education, School of Chemistry and Chemical Engineering, Shanxi University, Taiyuan 030006, China

Corresponding author: Junsheng Hao, jshao@sxu.edu.cn
Received Date: 8 December 2022

In the traditional “acetone iodination” experiment, there are problems such as corrosion, irritation caused by HCl volatilization, and inconsistent temperature or time between the spectrophotometric test and the actual reaction process. These problems are inevitably encountered and have not been effectively addressed. With a focus on these problems, the improved experiment presented a colorimetric analysis system based on a smartphone and new glass reactor; the test method was also proposed. The improved experiment avoids instrument corrosion, human body stimulation caused by HCl, improves the accuracy of the experimental data, and is helpful for students to gain theoretical and experimental expertise on the Lambert-Beer law and its offset phenomenon. In addition, since a spectrophotometer is not required, the improved experiment is easier to popularize and more interesting. It also provides a new strategy for online experimental teaching under difficult conditions such as the epidemic.
- Acetone iodination,
- Smartphone,
- Colorimetry
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