Artículo
Goldfarb, D.L.; Corti, H.R. "Electrical Conductivity of Decamethylferrocenium Hexafluorophosphate and Tetrabutylammonium Hexafluorophosphate in Supercritical Trifluoromethane" (2004) Journal of Physical Chemistry B. 108(10):3358-3367
Consulte la política de Acceso Abierto del editor
Abstract:
The electrical conductivity of tetrabutylammonium hexafluorophosphate (TBAPF 6) and decamethylferrocenium hexafluorophosphate (Fe(Cp*) 2PF 6) in supercritical trifluoromethane (CHF 3 was measured as a function of density (at pressures of 6-16 MPa) at 323.15 K. The concentration dependence of the molar conductivity was fitted using the Fuoss-Kraus equations, including ion pairs and triplets, and the molar conductivities at infinite dilution and the ion-pair formation constants were calculated as a function of the solvent density for both salts. The results were analyzed and explained by resorting to the peculiar properties of supercritical fluids in the low-density region. A comparison with the continuum model of ion mobility was conducted to demonstrate the inability of such a hydrodynamic model to describe the transport properties of salts in supercritical media. Also, the compressible continuum model applied to these systems seems to describe the limiting conductivity behavior in the high-density region rather well.
Registro:
| Documento: | Artículo |
| Título: | Electrical Conductivity of Decamethylferrocenium Hexafluorophosphate and Tetrabutylammonium Hexafluorophosphate in Supercritical Trifluoromethane |
| Autor: | Goldfarb, D.L.; Corti, H.R. |
| Filiación: | Comn. Natl. de Ener. Atómica, Unidad de Actividad Química, Av. Gral. Paz 1499, (1650) San Martin, Buenos Aires, Argentina Depto. de Quim. Inorgánica, Fac. de Ciencias Exactas y Naturales, Ciudad Universitaria (1428), Buenos Aires, Argentina Adv. Lithography Mat. and Processes, IBM Thomas J. Watson Research Center, P.O. Box 218, Yorktown Heights, NY 10598, United States |
| Palabras clave: | Chronocoulometry; Ohmic distortion; Carbon dioxide; Cyclic voltammetry; Diffusion; Electric conductivity; Phosphates; Probability density function; Salts; Solvents; Thermal effects; Toxicity; Organic compounds |
| Año: | 2004 |
| Volumen: | 108 |
| Número: | 10 |
| Página de inicio: | 3358 |
| Página de fin: | 3367 |
| Título revista: | Journal of Physical Chemistry B |
| Título revista abreviado: | J Phys Chem B |
| ISSN: | 15206106 |
| CODEN: | JPCBF |
| Registro: | https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_15206106_v108_n10_p3358_Goldfarb |
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Citas:
---------- APA ----------
Goldfarb, D.L. & Corti, H.R. (2004) . Electrical Conductivity of Decamethylferrocenium Hexafluorophosphate and Tetrabutylammonium Hexafluorophosphate in Supercritical Trifluoromethane. Journal of Physical Chemistry B, 108(10), 3358-3367.Recuperado de https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_15206106_v108_n10_p3358_Goldfarb [ ]
---------- CHICAGO ----------
Goldfarb, D.L., Corti, H.R. "Electrical Conductivity of Decamethylferrocenium Hexafluorophosphate and Tetrabutylammonium Hexafluorophosphate in Supercritical Trifluoromethane" . Journal of Physical Chemistry B 108, no. 10 (2004) : 3358-3367.Recuperado de https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_15206106_v108_n10_p3358_Goldfarb [ ]
---------- MLA ----------
Goldfarb, D.L., Corti, H.R. "Electrical Conductivity of Decamethylferrocenium Hexafluorophosphate and Tetrabutylammonium Hexafluorophosphate in Supercritical Trifluoromethane" . Journal of Physical Chemistry B, vol. 108, no. 10, 2004, pp. 3358-3367.Recuperado de https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_15206106_v108_n10_p3358_Goldfarb [ ]
---------- VANCOUVER ----------
Goldfarb, D.L., Corti, H.R. Electrical Conductivity of Decamethylferrocenium Hexafluorophosphate and Tetrabutylammonium Hexafluorophosphate in Supercritical Trifluoromethane. J Phys Chem B. 2004;108(10):3358-3367.Available from: https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_15206106_v108_n10_p3358_Goldfarb [ ]
