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Boulegue, J . ; Michard, G. J. Fr. Hydrol. 1978, 9(1), 27-33. 67. ; Eckert, C. A. J. Phys. Chem. 1977, 81, 2268-70. 68. Connick, R. ; Tarn, T. ; Deuster, Ε. V. LBL-12272, 1981. 69. Pitzer, K. ; Roy, R. ; Silvester, L. F. J. Am. Chem. Soc. 1977, 99, 4930-6. 70. ; Wilf, J. J. Am. Chem. Soc. 1972, 94, 47-57. 71. ; Spitzer, J. ; Hepler, L. G. Can. J. Chem. 1978, 56, 1871-3. 72. Gardner, W. ; Jekel, E. ; Cobble, J. W. J. Phys. Chem. 1969, 73, 2017-20. 73. Rogers, P. S. ; Pitzer, K. , LBL-12415 (March 1981).

1969, 47, 699701. Spitzer, J. ; Olofsson, I . V . ; Singh, P. ; Hepler, L. G. J. Chem. Thermodynamics 1979, 11, 233-8. Spitzer, J. ; Olofsson, I . V . ; Singh, P. ; Hepler, L. G. Thermochim. Acta 1979, 28, 155-60. Wagman, D. ; Evans, W. H . ; Parker, V. B . ; Halow, I . ; Bailey, S. ; and Schumm, R. H . , Nat. Bur. Stand. S. Technical Note 270-4, 1969. Bernarducci, E. ; Morss, L. ; Mikeztal, A. R. J. Soln. Chem. 1979, 8, 717-27. Coffy, G . ; Olofsson, G. J. Chem. Thermodynamics 1979, 11, 141-44.

The methodology for the critical evaluation of ther­ modynamic properties of electrolytes i s discussed in general, with emphasis on processes important in flue gas washing systems. How we intend to use the present evaluation systems to provide updated data for flue gas washing processes i s also discussed. A number of these specific processes were chosen to i l l u s t r a t e the evaluation procedure. Guidelines are provided for calculating an equilibrium constant, a c t i v i t y coef­ f i c i e n t , Gibbs energy and enthalpy of reaction, en­ thalpy of d i l u t i o n , and standard enthalpy, Gibbs energy, entropy, and heat capacity.

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