Prediction of hydrogen ion activity in the ZnSO4-Na2SO4-H2SO4-NaOH-H 2O system at 25 °C

Hydrometallurgy

Volumn 68, Issue 1-3, 2003, Pages 107-114

  Lee, Man Seung ^a   Na, Choon Ki ^a   Ahn, Jong Gwan ^b   Lee, Myung Hoon ^c  

^a Mokpo National University   (South Korea)

^b Korea Institute of Geosceince and Mineral Resources   (South Korea)

^c Institute of Korea Packaging Systems   (South Korea)

Author keywords

Activity coefficient; Ionic equilibria; pH; Pitzer equation; ZnSO4

Indexed keywords

ELECTROLYTES; HYDROGEN; IONIC STRENGTH; PH EFFECTS; POSITIVE IONS; SULFURIC ACID; ZINC COMPOUNDS;

ACTIVITY COEFFICIENT;

HYDROMETALLURGY;

EID: 0037313775     PISSN: 0304386X     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0304-386X(02)00207-4     Document Type: Article

References (11)

1. Bromley L.A. Thermodynamic properties of strong electrolytes in aqueous solutions. AIChE Journal. 19(2):1973;313-320.
2. Edwards T.J., Maurer G., Newman J., Prausnitz J.M. Vapor-liquid equilibria in multicomponent aqueous solutions of volatile weak electrolytes. AIChE Journal. 24(6):1978;966-976.
3. Harned, H.S., Owen, B.B., 1950. The Physical Chemistry of Electrolytic Solutions. Reinhold Publishing, New York, pp. 369, 427.
4. Högfeldt E. Stability Constants of Metal-Ion Complexes: Part A. Inorganic Ligands. 1982;Pergamon, Oxford.
5. Hughes M.A. Equilibria in the system cobalt/di-2-ethylhexylphosphoric acid/water. Journal of Chemical and Engineering Data. 31(1):1986;4-11.
6. Jiang C. Thermodynamics of aqueous phosphoric acid solution at 25 °C. Chemical Engineering Science. 51(5):1996;689-693.
7. Juang R.S., Su J.Y. Thermodynamic equilibria of the extraction of cobalt(II) from sulfate solutions with bis(2-ethyhexyl) phosphoric acid. Industrial and Engineering Chemistry Research. 31(10):1992;2395-2400.
8. 4+NaCl between 273.15 and 373.15 K. Fluid Phase Equilibria. 148:1998;95-106.
9. Pitzer K.S., Mayorga G. Thermodynamics of electrolytes: II. Activity and osmotic coefficients for strong electrolytes with one or both ions univalent. Journal of Physical Chemistry. 77(19):1973;2300-2308.
10. Stumm W., Morgan J.J. Aquatic Chemistry. 1996;273 Wiley, New York.
11. 2+ at 298.15 K. Hydrometallurgy. 60:2001;215-236.