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Citation: Weimin Fang, Yuxiu Wei, Jiqing Cai, Haijuan Zhu, Yeer Yu, Tong Chen. 电位法测定茶水中氟含量的实验改进探索[J]. University Chemistry, ;2021, 36(2): 191202. doi: 10.3866/PKU.DXHX201912020 shu

电位法测定茶水中氟含量的实验改进探索

Weimin Fang ^1,, ,
Yuxiu Wei ¹ ,
Jiqing Cai ¹ ,
Haijuan Zhu ¹ ,
Yeer Yu ² ,
Tong Chen ²

1.
Department of Chemistry, Zhejiang University, Hangzhou 310058, China;
2.
Department of Tea Science, Zhejiang University, Hangzhou 310058, China

Corresponding author: Weimin Fang, fangwm@zju.edu.cn
Received Date: 2 December 2019

通过对被测溶液中加入与不加总离子强度缓冲调节剂，及对不同茶叶的泡制水温、泡制时间等影响条件进行定量测定研究，对原有实验方案得以进一步优化改进。其目的是使学生能较深入理解控制测定条件的重要性，以便进一步激发学生对化学实验科学性、趣味性和可操作性的兴趣。
- Ion selective electrode,
- Fluoride content,
- Experimental improvement
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