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1 ICP原子发射光谱法工作曲线
K+浓度/(mg?L?1)K+发射强度标准曲线Na+浓度/(mg?L?1)Na+发射强度标准曲线
0.00321.9y = 95837.2x + 122.6
R = 0.99957		0.0059.49y = 390077.2x + 44.6
R = 0.99835
2.01745775.01728065
5.046435410.03750955
10.096245812.04627869
15.0148465515.05995360
20.0203399520.08255258