Artículo
Goldfarb, D.L.; Corti, H.R. "Diffusion of Decamethylferrocene and Decamethylferrocenium Hexafluorophosphate in Supercritical Trifluoromethane" (2004) Journal of Physical Chemistry B. 108(10):3368-3375
Consulte la política de Acceso Abierto del editor
Abstract:
The diffusion coefficients of decamethylferrocene (Fe(Cp*) 2) and decamethylferrocenium hexafluorophosphate (Fe(Cp*) 2PF 6) in supercritical trifluoromethane (CHF 3) were measured at a temperature of 323.15 K, as a function of density, with tetrabutylammonium hexafluorophosphate (TBAPF 6) as the supporting electrolyte, using a voltammetric technique on a platinum microelectrode. The diffusion in subcritical CHF 3 was also studied, to analyze the differences in the behavior of both solutes in the low- and high-density regions. Application of the Oldham, Cardwell, Santos, and Bond theory allowed the effect of ion pairing on the limiting current to be considered. The density dependence of the diffusion coefficients of the different species has been discussed on the basis of the continuum hydrodynamic model and the clustering of solvent around solute molecules in the low-density supercritical region. The predictions of the compressible continuum model for the case of the diffusion of the free ions and the ion pair also have been discussed.
Registro:
| Documento: | Artículo |
| Título: | Diffusion of Decamethylferrocene and Decamethylferrocenium 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: | Critical density; Supercritical solvents; Aromatic hydrocarbons; Diffusion; Electric conductivity; Electrochemistry; Electrolytes; Phosphates; Probability density function; Solvents; Supercritical fluids; Thermal effects; Organic compounds |
| Año: | 2004 |
| Volumen: | 108 |
| Número: | 10 |
| Página de inicio: | 3368 |
| Página de fin: | 3375 |
| 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_p3368_Goldfarb |
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Citas:
---------- APA ----------
Goldfarb, D.L. & Corti, H.R. (2004) . Diffusion of Decamethylferrocene and Decamethylferrocenium Hexafluorophosphate in Supercritical Trifluoromethane. Journal of Physical Chemistry B, 108(10), 3368-3375.Recuperado de https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_15206106_v108_n10_p3368_Goldfarb [ ]
---------- CHICAGO ----------
Goldfarb, D.L., Corti, H.R. "Diffusion of Decamethylferrocene and Decamethylferrocenium Hexafluorophosphate in Supercritical Trifluoromethane" . Journal of Physical Chemistry B 108, no. 10 (2004) : 3368-3375.Recuperado de https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_15206106_v108_n10_p3368_Goldfarb [ ]
---------- MLA ----------
Goldfarb, D.L., Corti, H.R. "Diffusion of Decamethylferrocene and Decamethylferrocenium Hexafluorophosphate in Supercritical Trifluoromethane" . Journal of Physical Chemistry B, vol. 108, no. 10, 2004, pp. 3368-3375.Recuperado de https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_15206106_v108_n10_p3368_Goldfarb [ ]
---------- VANCOUVER ----------
Goldfarb, D.L., Corti, H.R. Diffusion of Decamethylferrocene and Decamethylferrocenium Hexafluorophosphate in Supercritical Trifluoromethane. J Phys Chem B. 2004;108(10):3368-3375.Available from: https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_15206106_v108_n10_p3368_Goldfarb [ ]
