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  • 1985-1989  (2)
  • Ion association  (1)
  • Lanthanide nitrates  (1)
  • 1
    Digitale Medien
    Digitale Medien
    Thermodynamics of saturated lanthanide nitrate-water systems (1985)
    Springer
    Journal of solution chemistry 14 (1985), S. 473-484 
    Details
    ISSN: 1572-8927
    Schlagwort(e): Lanthanide nitrates ; hydrates ; solubilities ; activities ; solvation energies ; phase transitions ; congruent melting points ; specific solvation ; metastable equilibria ; tetrad effect ; double-double effect
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Chemie und Pharmazie
    Notizen: Abstract The thermodynamic properties of saturated aqueous lanthanide nitrate solutions were determined using recently published critically evaluated solubility and activity data. The variation of the thermodynamic functions and congruent melting points as a function of atomic number are interpreted in terms of changes in inner sphere coordination number in both the solid hexahydrates and in the aquo ions, and in terms of the double-double effect. Inconsistencies in experimental solubility data are generally caused by uncertainties in solid phase composition which is shown to be due to the very small Gibbs energies accompanying transitions from stable to metastable systems differing in the number of hydrating water molecules.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00646979
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 2
    Digitale Medien
    Digitale Medien
    Conductance and ion association in dimethylsulfite (1986)
    Springer
    Journal of solution chemistry 15 (1986), S. 663-673 
    Details
    ISSN: 1572-8927
    Schlagwort(e): Conductivities ; Ion association ; 1∶1 electrolytes ; acetone ; dimethylsulfite
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Chemie und Pharmazie
    Notizen: Abstract The electrolytic conductances of LiClO4, LiAsF6, NaClO4 and the n-butylammonium salts Bu4NCl, Bu4NClO4, and Bu4NBPh4 (tetraphenylborate) have been determined in dimethylsufite at 25°C. Ion association constants calculated from these data are interpreted in terms of solvent-separated ion pairs (for LiClO4, LiAsF6, and NaClO4), and contact ion pairs (for the n-butyl-ammonium salts). Comparisons are made for analogous electrolytes in acetone, and in which all salts form contact ion pairs.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00644598
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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    Artikel (Nationallizenzen)
    Volltext
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