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Citation: Yangchao Peng, Wang Hu, Yuang Liu, Yong Fan, Wanchun Zhu, Zhiguang Song, Qiang Ma, Yupeng Guo. 以四元相图为指导原理的硫酸钾制备实验在本科实验教学中的开展和探索[J]. University Chemistry, ;2022, 37(5): 211107. doi: 10.3866/PKU.DXHX202111078 shu

以四元相图为指导原理的硫酸钾制备实验在本科实验教学中的开展和探索

National Experimental Teaching Demonstrating Center of Chemistry, Jilin University, Changchun 130012, China

Corresponding author: Yupeng Guo, guoyupeng@jlu.edu.cn
Received Date: 26 November 2021

二步法制备硫酸钾是规模化生产钾肥的重要方法之一，本实验以四元相图的基本知识为理论指导开展硫酸钾制备实验。本实验通过无机复分解反应合成产物，采用传统滴定法、分光光度法与电感耦合等离子体原子发射光谱法（ICP-AES）相结合的测试方法对产物中离子进行分析检测，可实现基础操作与基本理论的同步提升，传统分析与现代仪器分析的有机结合。本实验原料易得、操作简便、现象明显、绿色环保，并且可以模块化教学，可拆分成多个实验环节，以适合不同学时的实验教学要求。该实验的开展既能让学生认识到化学理论知识在社会生产中所起的重要作用，又能培养学生的基本操作能力，提高学生的实践创新能力。
- Two-step,
- Tetrad phase diagram,
- Green chemistry,
- Modular teaching,
- Groups investigation
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