Xie Ya
2014
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Journal
Applied Chemical Industry
Abstract
The corrosion inhibition and corrosion mechanism of Cefathiamidine(TBSM) for carbon steel in 1. 0 mol/L HCl solution was investigated by potentiodynamic polarization and electrochemical impedance spectroscopy. The results showed that TBSM had good corrosion inhibition for carbon steel in 1. 0 mol/L solution. When concentration of TBSM was 0. 4 mmol/L,its' corrosion efficiency reached 86%. The TB-SM was a mixed-type inhibitor for inhibition of cathode and anode reaction,and the adsorption of the TBSM on the carbon steel surface conformed with Langmuir adsorption isotherm equation,which belonged to monolayer adsorption.