Mean Ionic Activity Coefficients of Alkali Metals Dissolved in High Dielectric Constant Solvents: A Comparison Between Experimental Data and Fuoss Theoretical Data

Autor:	D. C. Champeney, Z. Derriche, M. Kameche, M. C. Blanco
Rok vydání:	2002
Předmět:	Activity coefficient Chemistry Ionic bonding Thermodynamics Electrolyte Dielectric Condensed Matter Physics Alkali metal Electronic Optical and Magnetic Materials Gibbs free energy Ion symbols.namesake Ionic strength Materials Chemistry symbols Physical chemistry Physical and Theoretical Chemistry
Zdroj:	Physics and Chemistry of Liquids. 40:9-38
ISSN:	1029-0451 0031-9104
DOI:	10.1080/00319100208086646
Popis:	Ionic association of strong univalent symmetrical electrolytes dissolved in Hydrogen Bonded Solvents (HBS) having high dielectric constants, has been studied in terms of mean ionic activity coefficient. This parameter has been analysed with the Fuoss's Paired Ion Model in the concentration range 0.5-500m0lm-3. The experimental data are consistent with this model. It has been shown that fits to the experimental data could be obtained with fixed values of fraction of contact pain α and Gurney radius corresponding to the Contact Pair (CP). The results of fractions of free ions γ and conducting ions (p) as a function of concentration are also discussed. Conductimetric pairing constants K Lanbad; and Gibbs free energy δG are deduced to explain this ionic association. The iduence of the dielectric constant of the solvent on the ionic association has been also investigated in this work.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::66938e5f7a64ae49411fa50ccca5e65a https://doi.org/10.1080/00319100208086646 Zobrazit plný text záznamu