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Citation: Lisen Sun, Yixi Chen, Gengfeng Zheng, Qing Han, Linping Qian. 蔗糖水解反应的旋光管设计与动力学探究[J]. University Chemistry, ;2026, 41(10): 336-343. doi: 10.12461/PKU.DXHX202510059 shu

蔗糖水解反应的旋光管设计与动力学探究

Lisen Sun ^1,2 ,
Yixi Chen ³ ,
Gengfeng Zheng ^1,2 ,
Qing Han ^1,2,, ,
Linping Qian ^1,2,,

1.
National Demonstration Center for Experimental Chemistry Education (Fudan University), Shanghai 200433, China;
2.
Department of Chemistry and Laboratory of Advanced Materials, Fudan University, Shanghai 200438, China;
3.
Department of Macromolecular Science, Fudan University, Shanghai, 200438, China

Corresponding author: Qing Han, Linping Qian,
Received Date: 16 October 2025
Accepted Date: 1 December 2025

蔗糖水解反应作为经典化学动力学实验，其速率常数和活化能的精确测定是物理化学实验教学和科研中的关键环节。针对传统旋光管在实验过程中存在的加样效率低、气泡干扰严重及反应初期动力学数据缺失等问题，本研究设计了一种新型旋光管装置。该装置采用两端嵌入式光学玻璃全透明结构，创新性地设置了一体化加样腔与消泡曲面，实现了快速加样与同步消除气泡的双重优化。改进后的设备将加样时间缩短了75%-80%，反应活化能计算准确度提高10%-20%。本研究成果为化学动力学实验教学提供了更精准的测试手段，在反应初期动力学特征捕捉方面具有明显优势。
- Kinetics,
- Activation energy,
- Rate constant,
- Optical rotation
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