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Título: | Copper corrosion originated by propionic acid vapors |
Autor: | Echavarría, A.V.; Rueda, A.; Cano Díaz, Emilio CSIC ORCID ; Echeverría, F.; Arroyave, C.; Bastidas Rull, José María | Fecha de publicación: | 28-feb-2003 | Editor: | Electrochemical Society | Citación: | Journal of the electrochemical society 150(4): B140-B145 (2003) | Resumen: | Copper corrosion originated by propionic acid vapors (CH3CH2COOH), ranging from 10 to 300 ppm, at 100% relative humidity, was studied. At 300 ppm pollutant level, the copper corrosion rate was 3.3 mg/dm2 day. The cathodic reduction technique showed that the amount of corrosion products grew with both exposure time and pollutant level. Corrosion products were also characterized using X-ray diffraction and Fourier transform infrared techniques, and their morphology was observed by scanning electron microscope methodology. The main compounds identified were cuprite (Cu2O), copper hydroxide [Cu(OH)2], and a copper propionate compound. Important amounts of an organic copper compound were observed at propionic acid vapor concentrations higher than 50 ppm. | Descripción: | 6 pages. | Versión del editor: | http://dx.doi.org/10.1149/1.1559132 | URI: | http://hdl.handle.net/10261/22327 | DOI: | 10.1149/1.1559132 | ISSN: | 0013-4651 |
Aparece en las colecciones: | (CENIM) Artículos |
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