NDLI: Ceforanide: a new and efficient corrosion inhibitor for mild steel in HCl solution

Content Provider	Springer Nature Link
Author	Singh, Ashish Kumar Ebenso, E E.
Copyright Year	2012
Abstract	The corrosion inhibition properties of ceforanide for mild steel in HCl solution were analyzed by electrochemical impedance spectroscopy, potentiodynamic polarization, and gravimetric methods. The increase in inhibitor concentration and immersion time showed a positive effect on inhibition efficiency. The experimental data showed a frequency distribution and therefore a modeling element with frequency dispersion behavior and a constant phase element have been used. In aqueous acid solution, mild steel reacts by evolution of hydrogen. Visual observations showed that the hydrogen evolution decreased (i.e., corrosion inhibition effect increased) with increasing concentration of ceforanide. Potentiodynamic polarization study revealed that ceforanide acted as a mixed type of inhibitor. The results obtained from different methods are in good agreement. The adsorption behavior of ceforanide is experimentally investigated by contact angle measurement on metal surface. The contact angle of metal surface to the acid solution increased with inhibitor concentration; thereby confirming the increased hydrophobic nature of metal surface to the acid solution having inhibitors.
Starting Page	1823
Ending Page	1831
Page Count	9
File Format	PDF
ISSN	09226168
Journal	Research on Chemical Intermediates
Volume Number	39
Issue Number	4
e-ISSN	15685675
Language	English
Publisher	Springer Netherlands
Publisher Date	2012-07-27
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Corrosion inhibition EIS Polarization Weight loss Contact angle measurement Catalysis Physical Chemistry Inorganic Chemistry
Content Type	Text
Resource Type	Article
Subject	Chemistry

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