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  • 1
    Digitale Medien
    Digitale Medien
    Electromotive-force studies of mixed electrolytes in mixed solvents. HCl+NH4Cl in methanol+water solvents at 25°C (1978)
    Springer
    Journal of solution chemistry 7 (1978), S. 349-355 
    Details
    ISSN: 1572-8927
    Schlagwort(e): Mixed electrolytes ; mixed solvents ; Harned's method ; ion-ion interactions ; ion-solvent interactions
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Chemie und Pharmazie
    Notizen: Abstract Electromotive-force measurements of the cell Pt, H2(g, 1 atm)|HCl(m1), NH4Cl(m2), methanol(X%), Water(100−X)%|AgCl|Ag have been made at 25°C for m1+m2=1 mole-kg−1 and X=0, 10, 20, 30, 40, and 50% methanol by weight. Hydrochloric acid obeys Harned's rule in aqueous solutions, but a quadratic term is required in the mixed solvents. The Harned coefficients for the acid vary with solvent composition, and this invalidates the applicability of Harned's method for estimating activity coefficients for single electrolytes in mixed solvents. This method is described and the reason for the inapplicability of the method is discussed in terms of ion-ion and ion-solvent interactions.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00662895
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  • 2
    Digitale Medien
    Digitale Medien
    HOLL All Mixing Coefficients method for binary mixed electrolytes (1992)
    Springer
    Journal of solution chemistry 21 (1992), S. 121-128 
    Details
    ISSN: 1572-8927
    Schlagwort(e): HOLL ; Pitzer's and Scatchard's methods ; NaBr ; CoCl2 ; NaFormate ; HCl
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Chemie und Pharmazie
    Notizen: Abstract As an extension of the All Mixing Coefficients method which was developed in 1987, we have now incorporated the Higher Order Limiting Law into the method so that it satisfies the HOLL while it retains its high accuracy and other important features. One mixture each symmetrical and unsymmetrical were used for testing. The calculated results are analysed and compared with other well known methods. The superiority of the present method is shown.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00647002
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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