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

彭扬超, 胡旺, 刘雨昂, 范勇, 朱万春, 宋志光, 马强, 郭玉鹏

Development and Exploration of Potassium Sulfate Preparation Experiment Guided by Quaternary Phase Diagrams in Undergraduate Experimental Teaching

Yangchao Peng, Wang Hu, Yuang Liu, Yong Fan, Wanchun Zhu, Zhiguang Song, Qiang Ma, Yupeng Guo

表2 探究水含量对钾芒硝制备反应产率和质量的影响

实验组 m(KCl)/g m(Na2SO4)/g V(H2O)/mL m(钾芒硝)/g 产率/% ω (K)/% ω (Νa)/% A 5 5.3 25 3.39–3.43 45.62–46.16 22.15 10.06 B 5 5.3 20 4.58–4.48 61.63–60.78 21.42 11.33 C 5 5.3 15 5.14–5.29 69.17–71.18 18.90 10.10