Potentiodynamic characteristics of ruthenized platinum electrodes in sulphuric acid solutions
The potentiodynamic response of ruthenized platinum electrodes in 0.5 M and 12 M H<sub>2</sub>SO<sub>4</sub> at 25°C is investigated. The E/I profiles depend on the electrode history and involve sintering-type effects. In 12 M H<sub>2</sub>SO<sub>4</sub&g...
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Formato: | Articulo |
Lenguaje: | Inglés |
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1983
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Acceso en línea: | http://sedici.unlp.edu.ar/handle/10915/125759 https://www.sciencedirect.com/science/article/abs/pii/S0022072883804331 |
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I19-R120-10915-125759 |
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institution |
Universidad Nacional de La Plata |
institution_str |
I-19 |
repository_str |
R-120 |
collection |
SEDICI (UNLP) |
language |
Inglés |
topic |
Ciencias Exactas Química ruthenized platinum electrodes potentiodynamic response |
spellingShingle |
Ciencias Exactas Química ruthenized platinum electrodes potentiodynamic response Lezna, Reynaldo Oscar Tacconi, Norma R. de Arvia, Alejandro Jorge Potentiodynamic characteristics of ruthenized platinum electrodes in sulphuric acid solutions |
topic_facet |
Ciencias Exactas Química ruthenized platinum electrodes potentiodynamic response |
description |
The potentiodynamic response of ruthenized platinum electrodes in 0.5 M and 12 M H<sub>2</sub>SO<sub>4</sub> at 25°C is investigated. The E/I profiles depend on the electrode history and involve sintering-type effects. In 12 M H<sub>2</sub>SO<sub>4</sub> they can be analysed in more detail because the separation of the H-adatom and O-electroadsorption potential ranges is greater than in 0.5 M H<sub>2</sub>SO<sub>4</sub>. Thus, four different stages related to the oxide layer are distinguished. The interpretation of the corresponding overall processes is given in terms of the equilibrium potentials of the Ru/H<sub>2</sub>O system and the reversibility characteristics of the different stages derived from the various potential/time perturbation programs are discussed through reaction patterns previously considered for these reactions on other noble metals. |
format |
Articulo Articulo |
author |
Lezna, Reynaldo Oscar Tacconi, Norma R. de Arvia, Alejandro Jorge |
author_facet |
Lezna, Reynaldo Oscar Tacconi, Norma R. de Arvia, Alejandro Jorge |
author_sort |
Lezna, Reynaldo Oscar |
title |
Potentiodynamic characteristics of ruthenized platinum electrodes in sulphuric acid solutions |
title_short |
Potentiodynamic characteristics of ruthenized platinum electrodes in sulphuric acid solutions |
title_full |
Potentiodynamic characteristics of ruthenized platinum electrodes in sulphuric acid solutions |
title_fullStr |
Potentiodynamic characteristics of ruthenized platinum electrodes in sulphuric acid solutions |
title_full_unstemmed |
Potentiodynamic characteristics of ruthenized platinum electrodes in sulphuric acid solutions |
title_sort |
potentiodynamic characteristics of ruthenized platinum electrodes in sulphuric acid solutions |
publishDate |
1983 |
url |
http://sedici.unlp.edu.ar/handle/10915/125759 https://www.sciencedirect.com/science/article/abs/pii/S0022072883804331 |
work_keys_str_mv |
AT leznareynaldooscar potentiodynamiccharacteristicsofruthenizedplatinumelectrodesinsulphuricacidsolutions AT tacconinormarde potentiodynamiccharacteristicsofruthenizedplatinumelectrodesinsulphuricacidsolutions AT arviaalejandrojorge potentiodynamiccharacteristicsofruthenizedplatinumelectrodesinsulphuricacidsolutions |
bdutipo_str |
Repositorios |
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1764820452186783746 |