Inhibitor effects on the anodic behavior of iron electrodes

Wang Jia

doi:10.1007/BF02850686

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Inhibitor effects on the anodic behavior of iron electrodes

Updated：2023-05-16

- Inhibitor effects on the anodic behavior of iron electrodes
- Journal of Oceanology and Limnology Vol. 15, Issue 2, Pages: 156-162(1997)
- Affiliations：
  
  Institute of Oceanology
- Author bio：
- Funds：
- DOI：10.1007/BF02850686
  CLC：
- Online First：31 January 2013，
  
  Published：1997
- Accepted：
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Jia, W. Inhibitor effects on the anodic behavior of iron electrodes., Chin. J. Ocean. Limnol. 15, 156–162 (1997). https://doi.org/10.1007/BF02850686
DOI：

Jia, W. Inhibitor effects on the anodic behavior of iron electrodes., Chin. J. Ocean. Limnol. 15, 156–162 (1997). https://doi.org/10.1007/BF02850686 DOI：

摘要

Abstract

Polarization and impedance measurements were used in this study on inhibitor effects on the anodic behavior of iron electrodes showing that the sharp Tafel slope decreases of the anodic polarization curves resulted from inhibitor desorption for iron electrodes in acidic solution containing some types of inhibitors. An electrochemical parameter

desorption potentialE des was proposed as the potential at which the adsorbed inhibitor layer begins to desorb irreversibly. The impedance measurements indicated that at the desorption potentialE des

the double layer capacitances began to increase drastically. The current density responses to a potential step showed the inhibitor desorbing rates depended on the differences between the desorption and applied potentials. The larger the potential difference was

the faster the inhibitor desorbed. When the applied potential was lower thanE des

no inhibitor desorption occurred.

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Keywords

references

Cavallaro, L., Felloni, L., Trabanelli, G. et al., 1964. The Anodic Dissolution of Iron and the Behaviour of Some Corrosion Inhibitors Investigated by the Potentiodynamic Method.Electrochim Acta. 9: 485.

Chandrasekara, Pilliai K., Narayan, R., 1983. Test methods for corrosion inhibitors.Corros. Sci. 23: 151.

Drazic, D. M., Drazic, V. J., Jevtic, V., 1989. Effect of Scan rate on the polarization Curves of Iron Dissolution.Electrochim. Acta 34: 1251.

Heusler, K. E., Cartledge, G. H., 1961. The Influence of lodide and Carbon Monoxide on the Anodic Dissolution of Active Iron.J. Electrochem. Soc. 108: 732.

Macak, J., Vosta, J., Hackerman, N., 1995. A Study of Iron Corrosion Inhibitor by Some Aromatic Nitriles. Proc. 8th Europeean Symposium on Corrosion Inhibitors.Ann Univ. Ferrara, N. S. Sez. V. Suppl. N. 10, Ferrara, p. 179.

Wang Jia, Cao Chunan, Liang Feng, 1991. On the Inhibition Action of Some Inhibitors. Proc. 7th Asian Pacific Corrosion Control Conference, Chinese Society of Corrosion and Protection; Beijing, p. 991.

Wang Jia, Chen Jiajian, 1991. An investigation of the Electrochemical Behaviours of N. N-Dipropynoxy Methyl Alkyl Amine Inhibitors.J. Chinese Society of Corrosion and Protection 11(3): 279–284.

Wang Jia, Chen Jiajian, Cao Dianzhen et al., 1991. A Study of the Electrochemical Behaviours of N. N-Dipropynoxy Methyl Alkyl Amine Inhibitors. Proc. 7th Asian Pacific Corrosion Control Conference, Chinese Society of Corrosion and Protection; Beijing, p. 743.

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