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Ion-solvent interaction and the viscosity of strong-electrolyte solutions

Ion-solvent interaction and the viscosity of strong-electrolyte solutions ION-SOLVENT INTERACTION AND THE VISCOSITY OF STRONG-ELECTROLYTE SOLUTIONS BY MANFRED KAMINSKY Physikalisches Institut der Universitat Marburg, Marburg/Lahn Received 10th June, 1957 Translated by DR. V. GOLD It is shown that there is a relationship between the temperature dependence of the viscosity of aqueous solutions and the ion-solvent interaction. For the temperature range 1542.5" C and for different charge types, the B-coefficient in Jones and Dole's equation can be split into contributions (B&) due to the separate ions. Two rules are proposed for the dependence of Bion values on the nature of the ions and on the temper- ature. It is shown that the Bion values, the apparent molal heat capacities (C,o) and apparent molal volumes ($0) of single ions show an almost identical temperature de- pendence. The satisfactory interpretation of the viscosity changes of aqueous solutions which appear at medium and high concentrations and which depend, apart from interionic forces, particularly on ion-solvent interactions (such as effects of hydration, structure-breaking, polarization and perhaps hydrolysis) is difficult 1-5 because until now adequate experimental data, especially about the temperature dependence, have not been available. To provide this information, we have recently reported 6 precise measurements of the viscosity of aqueous solutions http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Discussions of the Faraday Society Royal Society of Chemistry

Ion-solvent interaction and the viscosity of strong-electrolyte solutions

Kaminsky, Manfred
Royal Society of Chemistry — Jan 1, 1957
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Abstract

ION-SOLVENT INTERACTION AND THE VISCOSITY OF STRONG-ELECTROLYTE SOLUTIONS BY MANFRED KAMINSKY Physikalisches Institut der Universitat Marburg, Marburg/Lahn Received 10th June, 1957 Translated by DR. V. GOLD It is shown that there is a relationship between the temperature dependence of the viscosity of aqueous solutions and the ion-solvent interaction. For the temperature range 1542.5" C and for different charge types, the B-coefficient in Jones and Dole's equation can be split into contributions (B&) due to the separate ions. Two rules are proposed for the dependence of Bion values on the nature of the ions and on the temper- ature. It is shown that the Bion values, the apparent molal heat capacities (C,o) and apparent molal volumes ($0) of single ions show an almost identical temperature de- pendence. The satisfactory interpretation of the viscosity changes of aqueous solutions which appear at medium and high concentrations and which depend, apart from interionic forces, particularly on ion-solvent interactions (such as effects of hydration, structure-breaking, polarization and perhaps hydrolysis) is difficult 1-5 because until now adequate experimental data, especially about the temperature dependence, have not been available. To provide this information, we have recently reported 6 precise measurements of the viscosity of aqueous solutions

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Discussions of the Faraday Society – Royal Society of Chemistry

Published: Jan 1, 1957

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