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Electrochemical studies of corrosion inhibition of mild steel


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The corrosion inhibition of steel in 1.0 M sulfuric acid by some triazole derivatives namely, 4-amino-1,2,4-triazole-3-thiol (ATT), 4-amino-5-methyl-1,2,4-triazole-3-thiol (AMTT) and 4-amino-5-ethyl-1,2,4-triazole-3-thiol (AETT) has been studied using potentiodynamic polarization, electrochemical impedance spectroscopy (EIS) and Scanning electron microscopy (SEM). The results revealed that the inhibition efficiency increases as the inhibitor concentration increases and follows the order (ATT<AMTT< AETT). The adsorption of the triazole derivatives onto the steel surface obeys Langmuir adsorption isotherm with small negative values of the standard free energy of adsorption (less than 20 kJ) which ensures the Spontaneous physical adsorption process. The surface examination using scanning electron microscope confirms the extra ordinary efficiency of the used inhibitors in protection of steel from corrosion as indicated by electrochemical measurements.

Product Specifications
SKU :COC77858
AuthorAwad Sadek Mogoda
Number of Pages60
Publishing Year2014-03-18T00:00:00.000
Edition1 st
Book TypePhysical chemistry
Country of ManufactureIndia
Product BrandLAP LAMBERT Academic Publishing
Product Packaging InfoBox
In The Box1 Piece
Product First Available On ClickOnCare.com2015-10-08 00:00:00
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