Accelerated corrosion of polyaniline-coated steel in high pH media
โ Scribed by Nicholas M. Martyak
- Publisher
- Elsevier Science
- Year
- 2004
- Tongue
- English
- Weight
- 648 KB
- Volume
- 371
- Category
- Article
- ISSN
- 0921-5093
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๐ SIMILAR VOLUMES
## Abstract Electropolymerization of polyaniline (PANI) and polyanilineโtungstate (PANIW) coatings on mild steel were successfully performed using cyclic voltammetry technique. Processes were carried out in aqueous electrolyte solutions of 0.3 M oxalic acidโ+โ0.1 M aniline and 0.3 M oxalic acidโ+โ0
The solubility of iron, as well as nature of the solid corrosion products, influences greatly the kinetics and mechanism of reaction of steel embedded in cement or concrete. At high pH, ferric iron has a very low solubility, <lmM/l, and spinel, which passivates steel, is obtained as the solid corro