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IJCT Vol.15(5) [September 2008] >


Title: Methyl orange as corrosion inhibitor for carbon steel in well water
Authors: Sathiyabama, J
Rajendran, Susai
Selvi, J Arockia
Amalraj, A John
Keywords: Carbon steel
Corrosion inhibition
Methyl orange
Zinc ion
Issue Date: 22-Jan-2009
Abstract: The corrosion inhibition efficiency of methyl orange in controlling corrosion of carbon steel immersed in well water has been evaluated by weight loss method both in absence and presence of zinc ion. A synergistic effect exists between methyl orange (MO) and Zn²⁺. The inhibition efficiency (IE) of the MO – Zn²⁺ system decreases with increase in immersion period. Polarization study suggests that the MO-Zn²⁺ system functions as a mixed inhibitor system. FTIR spectra indicate that the protective film consists of Fe²⁺ - MO complex and Zn(OH)₂.
Page(s): 462-466
ISSN: 0971–457X
Source:IJCT Vol.15(5) [September 2008]

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