Voltammetric behaviour of platinum in aqueous solutions containing sodium hypophosphite
The anodic and cathodic behaviour of polycrystalline Pt in sodium hypophosphite solutions has been investigated by cyclic voltammetry. In acid solutions the voltammograms show that, owing to the presence of the reducing agent, electrooxidation of species related to H₃PO₃ occurs in the potential rang...
| Autores principales: | , , |
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| Formato: | Articulo |
| Lenguaje: | Inglés |
| Publicado: |
1990
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| Materias: | |
| Acceso en línea: | http://sedici.unlp.edu.ar/handle/10915/130945 |
| Aporte de: |
| id |
I19-R120-10915-130945 |
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| record_format |
dspace |
| institution |
Universidad Nacional de La Plata |
| institution_str |
I-19 |
| repository_str |
R-120 |
| collection |
SEDICI (UNLP) |
| language |
Inglés |
| topic |
Química Física Oxygen Sodium Physical Chemistry Aqueous Solution Platinum |
| spellingShingle |
Química Física Oxygen Sodium Physical Chemistry Aqueous Solution Platinum Podestá, José J. Piatti, Roberto C. V. Arvia, Alejandro Jorge Voltammetric behaviour of platinum in aqueous solutions containing sodium hypophosphite |
| topic_facet |
Química Física Oxygen Sodium Physical Chemistry Aqueous Solution Platinum |
| description |
The anodic and cathodic behaviour of polycrystalline Pt in sodium hypophosphite solutions has been investigated by cyclic voltammetry. In acid solutions the voltammograms show that, owing to the presence of the reducing agent, electrooxidation of species related to H₃PO₃ occurs in the potential range 0.6 to 1.4 V with respect to NHE. In alkaline solutins the presence of NaH₂PO₂ partially inhibits the HER and displaces the formation of the oxygen monolayer on platinum to higher potentials. The voltammetric peaks are attributed to the electrooxidation of the products resulting from the chemical decomposition of NaH₂PO₂ in contact with the Pt surface. |
| format |
Articulo Articulo |
| author |
Podestá, José J. Piatti, Roberto C. V. Arvia, Alejandro Jorge |
| author_facet |
Podestá, José J. Piatti, Roberto C. V. Arvia, Alejandro Jorge |
| author_sort |
Podestá, José J. |
| title |
Voltammetric behaviour of platinum in aqueous solutions containing sodium hypophosphite |
| title_short |
Voltammetric behaviour of platinum in aqueous solutions containing sodium hypophosphite |
| title_full |
Voltammetric behaviour of platinum in aqueous solutions containing sodium hypophosphite |
| title_fullStr |
Voltammetric behaviour of platinum in aqueous solutions containing sodium hypophosphite |
| title_full_unstemmed |
Voltammetric behaviour of platinum in aqueous solutions containing sodium hypophosphite |
| title_sort |
voltammetric behaviour of platinum in aqueous solutions containing sodium hypophosphite |
| publishDate |
1990 |
| url |
http://sedici.unlp.edu.ar/handle/10915/130945 |
| work_keys_str_mv |
AT podestajosej voltammetricbehaviourofplatinuminaqueoussolutionscontainingsodiumhypophosphite AT piattirobertocv voltammetricbehaviourofplatinuminaqueoussolutionscontainingsodiumhypophosphite AT arviaalejandrojorge voltammetricbehaviourofplatinuminaqueoussolutionscontainingsodiumhypophosphite |
| bdutipo_str |
Repositorios |
| _version_ |
1764820453005721601 |