Corrosion inhibition of mild steel sample in hydrochloric acid solution was examined via weight loss and electrochemical measurements, Scanning Electron Microscopy (SEM) and X-ray Photoelectron Spectroscopy (XPS) techniques. The use of Lavandula mairei Humbert extract (LM) as an eco-friendly inhibitor of mild steel (MS) corrosion in 1 M HCl solution has significantly decreased MS corrosion rate. The corrosion inhibition efficiency increased with the increase of LM concentration up to 92% obtained at 303 K for a 0.4 g/ L concentration. The adsorption of LM inhibitor on the mild steel surface followed the Langmuir adsorption isotherm. Anodic Tafel slope digression and continuous CR lessening with the LM extract concentration increase, has validated the limited dissolution of mild steel. Theoretical approaches based on chemical quantum calculations and molecular dynamics simulation clearly explains the mode of adsorption of the majority molecule on the metal surface.

通过失重和电化学测量，扫描电子显微镜（SEM）和X射线光电子能谱（XPS）技术检查了低碳钢样品在盐酸溶液中的腐蚀抑制作用。薰衣草的使用洪伯特提取物（LM）作为在1 M HCl溶液中对低碳钢（MS）腐蚀的生态友好抑制剂，已大大降低了MS腐蚀速率。随LM浓度的增加，在303 K浓度为0.4 g / L时，腐蚀抑制效率增加，达到92％。LM抑制剂在低碳钢表面的吸附遵循Langmuir吸附等温线。随着LM提取物浓度的增加，阳极Tafel斜度离析和连续CR减小，证明了低碳钢的有限溶解。基于化学量子计算和分子动力学模拟的理论方法清楚地解释了多数分子在金属表面的吸附方式。