MEASUREMENT OF MEAN ACTIVITY COEFFICIENTS OF NaCl IN POLYELECTROLYTE SOLUTIONS

YU Caihong; YU Dahong; QIN Yuan; LIU Honglai; HU Ying

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MEASUREMENT OF MEAN ACTIVITY COEFFICIENTS OF NaCl IN POLYELECTROLYTE SOLUTIONS

更新时间：2025-12-10

- MEASUREMENT OF MEAN ACTIVITY COEFFICIENTS OF NaCl IN POLYELECTROLYTE SOLUTIONS
- CIESC Journal Issue 8, (2001)
- 作者机构：
  
  华东理工大学化学系
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Online First：25 August 2001，
  
  Published：25 August 2001
- 稿件说明：
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YU Caihong, YU Dahong, QIN Yuan, et al. MEASUREMENT OF MEAN ACTIVITY COEFFICIENTS OF NaCl IN POLYELECTROLYTE SOLUTIONS[J]. CIESC Journal, 2001, (8).
DOI：

YU Caihong, YU Dahong, QIN Yuan, et al. MEASUREMENT OF MEAN ACTIVITY COEFFICIENTS OF NaCl IN POLYELECTROLYTE SOLUTIONS[J]. CIESC Journal, 2001, (8). DOI：

摘要

Abstract

Electromotive force measurements of the cell

Na-ISE|polyelectrolyte( mp(mono) )

NaCl( ma)|AgCl

are carried out at the different molalities of NaCl in aqueous poly(diallydimethylammonium chloride)(PDADMAC)and poly(anetholesulfonic acid

sodium salt)(PAS) solutions at 308.15 K. The mean activity coefficients of NaCl in aqueous polyelectrolyte solutions are determined by using the standard cell potential which are obtained from the measurements of the electromotive force of cell

Na-ISE| NaCl( m )|AgCl

combining with the Pitzer model for electrolyte solution.At different concentrations of PDADMAC solution

the mean activity coefficients of NaCl decrease monotonically as the concentrations of NaCl increase.However

for the aqueous solutions of PAS

there is a maximum value as the concentrations of NaCl increase.

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