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Citation: Qiong Ding, Chuqing Gong, Yunhua Chen, Faqiong Zhao, Haibo Zhang. 部分互溶双液系相图的绘制实验分享[J]. University Chemistry, ;2026, 41(9): 347-354. doi: 10.12461/PKU.DXHX202508080 shu

部分互溶双液系相图的绘制实验分享

National Demonstration Center for Experimental Chemistry Education (Wuhan University), College of Chemistry and Molecular Sciences, Wuhan University, Wuhan 430072, Hubei Province, China

Corresponding author: Haibo Zhang, haibozhang@whu.edu.cn
Received Date: 25 August 2025
Revised Date: 29 October 2025

在本科生的相图绘制教学中，多数高校常以完全互溶双液系为研究对象，通过测定其不同温度下气液平衡数据绘制相图，以此验证相图理论知识，帮助学生加深对理论内容的理解与掌握。在此教学背景下，本文以异丁酸-蒸馏水部分互溶双液系为研究对象，创新性地提出采用高度法绘制部分互溶双液系相图的实验设计方案。该实验以相图理论中的杠杆规则为核心依据，同时结合折射率法对实验结果进行验证，最终绘制出满意的帽型相图。此外，基于该实验设计构建的模块化教学框架，可灵活适配不同层次的教学需求，通过多元实践路径，有效培养学生的实验设计能力、数据分析能力及解决复杂问题的综合素养。
- Partially miscible binary liquid system,
- Phase diagram,
- Lever rule,
- Height method
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