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Citation: Yao Yan, . Thermodynamics of Electrolyte Mixtures Activity Coefficients in Aqueous Na₂SO₄-CuSO₄ at 25 ℃[J]. Acta Physico-Chimica Sinica, ;1991, 7(01): 57-63. doi: 10.3866/PKU.WHXB19910109 shu

Thermodynamics of Electrolyte Mixtures Activity Coefficients in Aqueous Na₂SO₄-CuSO₄ at 25 ℃

Yao Yan ,
,

1.
Qinghai Institute of Salt Lakes, Academia Sinica, Xining, Qinghai; Department of Chemistry, University of Oklahoma, Norman, OK73019 USA

Received Date: 31 August 1989
Available Online: 15 February 1991

In previous reports the ternary system Na_2SO_4-CuSO_4-H_2O was investigated by osmotic coefficient and solubility work. This paper reports the determenations of the mean activity coefficients of Na_2SO_4 in the ternary system at 25 ℃ and ionic strength 1.0 and 2.0 by emf method using a Na sensitive glass electrode vs. Hg-Hg_2SO_4 electrodes.
The Hg-Hg_2SO_4 electrodes were prepared in our laboratory and performance tests for the electrode pair were carried out. Linear near-Nernst response and od reproducibility and stability were observed.
Pitzer's recent equations were used to derived...
- Ternary system Na₂SO₄-CuSO₄-H₂O; Ionic strength; Activity coefficients; Na Sensityve electrode; emf method
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Thermodynamics of Electrolyte Mixtures Activity Coefficients in Aqueous Na₂SO₄-CuSO₄ at 25 ℃