Abstract
Study of corrosion inhibition for mild steel in 1M HCl by Clinopodium acinos (CA) extract was evaluated by altered methods. These methods are WL, electrochemical tests (Electrochemical frequency modulation (EFM), potentiodynamic polarization (PP), and electrochemical impedance spectroscopy (EIS)) and surface examination performances (AFM, ATR- FTIR and XPS). The CA extract concentrations are (50, 100, 150, 200, 250,300 ppm) at altered temperatures 25, 30, 35, 40, 45 0C.WL curves showed raising the inhibition efficiency of M-S by increasing CA concentration and lowering the temperature. PP curves explained that CA extract act as a mixed type inhibitor. The green inhibitor was utilized because of its lower price and not affect the environment.
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