An impending inhibitor useful for the oil and gas production industry: Weight loss, electrochemical, surface and quantum chemical calculation
作者： Ambrish Singh , K. R. Ansari , Xihua Xu , Zhipeng Sun , Ashok Kumar
DOI: 10.1038/S41598-017-13877-0
关键词:
摘要: The influence of a Schiff base namely N,N'-(pyridine-2,6-diyl)bis(1-(4-methoxyphenyl) methanimine) (PM) on the corrosion J55 and N80 steel in 3.5 wt.% NaCl solution saturated with CO2 was evaluated using weight loss, potentiodynamic polarization, electrochemical impedance spectroscopy (EIS), X-ray diffraction (XRD), contact angle, scanning electron microscopy (SEM), atomic force (AFM) (SECM). Potentiodynamic polarization results suggested that inhibitor acted as mixed type by reducing both anodic cathodic reactions. adsorption PM surface obeyed Langmuir isotherm. XRD, SEM, AFM SECM studies revealed metal quite unaffected after addition inhibitor. Quantum chemical calculations molecular dynamic simulation support experimental well.
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