Synergistic inhibition between cetyltrimethyl ammonium bromide (CTAB) and NaCl on the corrosion of cold rolled steel in the various concentrations of sulfuric acid
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Graphical Abstract
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Abstract
The effect of cetyltrimethyl ammonium bromide (CTAB) and NaCl on the corrosion of cold rolled steel in 0.5-2.0mol/L sulfuric acid was investigated by using weight loss and electrochemical methods.The complex of CTAB and NaCl acts as a mixed type inhibitor,which mainly inhibits cathodic reaction.The adsorption of complex follows with the Langmuir adsorption isotherm.A synergistic inhibition between CTAB and NaCl against steel corrosion in sulfuric acid was demonstrated.
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