Citation: Yeyun Zhang, Zhenfeng Shang, Ling Fan. Green experimental improvement and ideological and political teaching design of the acid-catalyzed sucrose hydrolysis[J]. University Chemistry, ;2026, 41(6): 353-361. doi: 10.12461/PKU.DXHX202504040 shu

Green experimental improvement and ideological and political teaching design of the acid-catalyzed sucrose hydrolysis

National Demonstration Center for Experimental Chemistry Education, Nankai University, Tianjin 300071, China

Corresponding author: Yeyun Zhang, zhangyeyunnk@nankai.edu.cn
Received Date: 9 April 2025
Revised Date: 21 July 2025

The acid-catalyzed sucrose hydrolysis reaction serves as a fundamental kinetic experiment in physical chemistry curricula across universities. While sulfuric acid and hydrochloric acid are conventionally employed as catalysts, their strong acidity and corrosiveness pose safety hazards for operators, risk instrument corrosion, generate environmental pollution, and necessitate specialized waste disposal. To address these challenges, we implemented an environmentally friendly modification by replacing liquid strong acids with solid acid cation-exchange resins as catalysts. This innovative approach demonstrates comparable catalytic performance to conventional liquid acids, exhibiting distinct pseudo-first-order reaction kinetics while eliminating safety and environmental concerns. Experimental parameters including resin dosage, sucrose concentration, and reaction temperature were systematically optimized. The incorporation of custom-designed T-shaped polarimeter tubes and double-jacketed beakers significantly enhanced operational convenience for students. Furthermore, we developed a comprehensive ideological-political teaching framework centered on four core values: patriotic sentiment, dialectical thinking, scientific literacy, and environmental awareness. This pedagogical design aims to cultivate students’ critical thinking and ecological consciousness while fostering scientific patriotism, ultimately nurturing high-caliber talents with integrated research capabilities and social responsibility.
- Sucrose hydrolysis,
- Cation-exchange resin,
- Chemical kinetics,
- Laboratory teaching
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沈阳化工大学材料科学与工程学院沈阳 110142