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Citation: Xinhua Xu, Meifen Wu, Xiaogang Wang. 无限稀释氯化氢水溶液中离子迁移数的测定[J]. University Chemistry, ;2022, 37(6): 210808. doi: 10.3866/PKU.DXHX202108083 shu

无限稀释氯化氢水溶液中离子迁移数的测定

School of Chemical Science and Engineering, Tongji University, Shanghai 200092, China

Corresponding author: Xinhua Xu, xxh01@tongji.edu.cn
Received Date: 25 August 2021

基于Debye-Hückel-Onsager理论讨论了离子迁移数与电解质溶液浓度的关系，并介绍了测定无限稀释条件下离子极限迁移数的实验方法。实验证明，测得的迁移数与溶液浓度关系可以计算为一个线性拟合函数，并外推至零浓度，从而得到极限迁移数。因此，这个传统教学实验可以做出改进，以增进学生对电解质理论的理解。
- Transference numbers,
- Infinite dilution,
- The moving boundary method,
- Electrolyte
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