大学化学 >> 2023, Vol. 38 >> Issue (11): 131-137.doi: 10.3866/PKU.DXHX202304035

所属专题： 化学科普(2024)

科普 上一篇    下一篇

多彩的糖——旋光追踪蔗糖水解反应

司俊涛1, 沈佳龙2, 吴强华3, 吴红3, 江国顺3, 朱平平3, 冯红艳3, 金邦坤3, 王晓葵3, 李红春3,*(), 王钰熙3,*()   

  1. 1 中国科学技术大学化学与材料科学学院材料科学与工程系, 合肥 230026
    2 中国科学技术大学合肥微尺度物质科学国家研究中心, 合肥 230026
    3 化学国家级实验教学示范中心(中国科学技术大学), 合肥 230026
  • 收稿日期:2023-04-11 录用日期:2023-07-12 发布日期:2023-08-17
  • 通讯作者: 李红春,王钰熙 E-mail:lihc@ustc.edu.cn;wangyuxi@ustc.edu.cn
  • 基金资助:
    安徽省高等教育重大决策部署研究项目(2022jcbs066);中国科学技术大学本科教学改革项目(2022xjyxm042);中国科学技术大学本科教学改革项目(2021xjyxm075);首批教育部虚拟教研室(大学化学实验课程群虚拟教研室

Colorful Sugar: Optical Rotation Tracking of Sucrose Hydrolysis Reaction

Juntao Si1, Jialong Shen2, Qianghua Wu3, Hong Wu3, Guoshun Jiang3, Pingping Zhu3, Hongyan Feng3, Bangkun Jin3, Xiaokui Wang3, Hongchun Li3,*(), Yuxi Wang3,*()   

  1. 1 Department of Materials Science and Engineering, School of Chemistry and Materials Science, University of Science and Technology of China, Hefei 230026, China
    2 Hefei National Research Center for Physical Sciences at the Microscale, University of Science and Technology of China, Hefei 230026, China
    3 National Demonstration Center for Experimental Chemistry Education, University of Science and Technology of China, Hefei 230026, China
  • Received:2023-04-11 Accepted:2023-07-12 Published:2023-08-17
  • Contact: Hongchun Li, Yuxi Wang E-mail:lihc@ustc.edu.cn;wangyuxi@ustc.edu.cn

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摘要：

蔗糖溶液原本是无色透明的溶液，在偏振片的帮助下，可以使蔗糖溶液呈现出多彩的颜色。本文利用偏振片这一特性，观测在不同浓度下蔗糖溶液分光能力的差异，追踪蔗糖溶液在酸性条件下的水解过程，并介绍了实验现象背后的科学道理。

关键词: 蔗糖, 旋光, 色彩, 水解反应

Abstract:

Initially colorless and transparent, the sucrose solution exhibited a stunning array of colors when viewed through a polarizer. This study utilized polarization characteristics to explore the variations in beam split capacity among different sucrose solution concentrations, while also tracking the hydrolysis process of sucrose under acidic conditions. The paper further elucidates the scientific principles underlying these experimental phenomena.

Key words: Sucrose, Optical rotation, Colors, Hydrolysis reaction