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Citation: HU Guang-Hui, PAN Zhan-Chang. Analysis of the Formula of Liquid Junction Potential[J]. University Chemistry, ;2016, 31(3): 82-84. doi: 10.3866/PKU.DXHX20160382 shu

Analysis of the Formula of Liquid Junction Potential

HU Guang-Hui ^, ,
PAN Zhan-Chang

1.
Faculty of Chemical Engineering and Light Industry, Guangdong University of Technology, Guangzhou 510006, P. R. China

Corresponding author: HU Guang-Hui,
Fund Project: 2014年广东省"质量工程"建设项目(ZYGX012) (ZYGX012)

In this paper, the cause of liquid junction potential was analyzed with example of two different concentrations of silver nitrate. Here, we point out the difference between the total Gibbs energy and the excess charge Gibbs energy and deduce the formula of liquid junction potential. At last, the relationship between liquid junction potential and activity ratio is discussed.
- Liquid junction potential,
- Silver nitrate,
- Chemical potential,
- Excess charge,
- Gibbs energy
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