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Citation: Xu Hua, Chen Nian-Yi. The Research of Donnan Equilibrium with Hypeinetted-chain(HNC) Approximation Method[J]. Acta Physico-Chimica Sinica, ;1996, 12(04): 320-324. doi: 10.3866/PKU.WHXB19960407 shu

The Research of Donnan Equilibrium with Hypeinetted-chain(HNC) Approximation Method

Xu Hua ,
Chen Nian-Yi

1.
Changshu College,Changshu,Jiangsu 215500

Received Date: 28 July 1995
Available Online: 15 April 1996

The effect of interionic potential to Dennan equilibrium has been investigated with HNC method. Also, the equilibrium density, the osmotic pressure and the Donnan potential of Donnan equllibrium have been calculated. It was found in our calculations that the Donnan potential is a more sensitive quantity to interionic potential than the osmotic pressure, which was thought to be particularly sensitive to interionic potential in the previous Donnan equllibrium investigations. If single ion activity coefficients are used, values of the Donnan potential would be much more different from the values which were obtained before, but it is more reasonable and more comparable with the experimental values.
- Hypernetted-chain approximation,
- Donnan equilibrium,
- Donnan potential,
- Interionic potential,
- Ion activity coefficient
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