Artículo
Abstract:
The electrical conductivity, intradiffusion coefficients and ionic conductivities of sodium and caesium ions have been measured for polystyrene sulphonates in their heteroionic forms as a function of q, the number of water molecules per ionic group, at 298.15 K using a novel electrodiffusion technique. The trace diffusion coefficient and ionic conductivity of the chloride ion are also reported. The behaviour of the transport properties as a function of the water content and the ionic composition are analysed. The empirical relationships valid in homoionic sulphonic ion-exchangers hold in the heteroionic systems. Some anomalies are found in the sodium-rich region as a consequence of the formation of a lattice-like structure involving caesium ions. The counterion mobilities increase with the caesium content in the system, as found in ion-exchange membranes and electrolyte solutions. The ratio between electrical and diffusional mobilities of counterions follows the same trends observed in crosslinked ion-exchange systems and mixed electrolyte solutions, indicating that the polymer has a second-order effect.
Registro:
| Documento: | Artículo |
| Título: | Transport phenomena in concentrated aqueous solutions of sodium-caesium polystyrene sulphonates |
| Autor: | Corti, H.R. |
| Filiación: | Departamento de Química Inorgánica, Analítica y Química Física, Universidad de Buenos Aires, Ciudad Universitaria, Nuñez, Argentina |
| Año: | 1987 |
| Volumen: | 83 |
| Número: | 11 |
| Página de inicio: | 3259 |
| Página de fin: | 3270 |
| DOI: | http://dx.doi.org/10.1039/F19878303259 |
| Título revista: | Journal of the Chemical Society, Faraday Transactions 1: Physical Chemistry in Condensed Phases |
| ISSN: | 03009599 |
| Registro: | https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_03009599_v83_n11_p3259_Corti |
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Citas:
---------- APA ----------
(1987) . Transport phenomena in concentrated aqueous solutions of sodium-caesium polystyrene sulphonates. Journal of the Chemical Society, Faraday Transactions 1: Physical Chemistry in Condensed Phases, 83(11), 3259-3270.http://dx.doi.org/10.1039/F19878303259
---------- CHICAGO ----------
Corti, H.R. "Transport phenomena in concentrated aqueous solutions of sodium-caesium polystyrene sulphonates" . Journal of the Chemical Society, Faraday Transactions 1: Physical Chemistry in Condensed Phases 83, no. 11 (1987) : 3259-3270.http://dx.doi.org/10.1039/F19878303259
---------- MLA ----------
Corti, H.R. "Transport phenomena in concentrated aqueous solutions of sodium-caesium polystyrene sulphonates" . Journal of the Chemical Society, Faraday Transactions 1: Physical Chemistry in Condensed Phases, vol. 83, no. 11, 1987, pp. 3259-3270.http://dx.doi.org/10.1039/F19878303259
---------- VANCOUVER ----------
Corti, H.R. Transport phenomena in concentrated aqueous solutions of sodium-caesium polystyrene sulphonates. 1987;83(11):3259-3270.http://dx.doi.org/10.1039/F19878303259
