Performance of Methanolic Extract of Artemisia herba alba as a Potential Green Inhibitor on Corrosion Behavior of Mild Steel in Hydrochloric Acid Solution

被引：23

作者：

Echihi, Siham ^{[1
]}

Hsissou, Rachid ^{[2
]}

Benzbiria, Nisrine ^{[3
]}

Afrokh, Moha ^{[1
]}

Boudalia, Maria ^{[1
]}

Bellaouchou, Abdelkebir ^{[1
]}

Guenbour, Abdellah ^{[1
]}

Azzi, Mohamed ^{[1
,3
]}

Tabyaoui, Mohamed ^{[1
]}

机构：

[1] Mohammed V Univ, Lab Mat Nanotechnol & Environm, Fac Sci, Av Ibn Battouta,POB 1014, Rabat, Morocco

[2] Univ Ibn Tofail, Fac Sci, Dept Chem, Lab Organ Chem Catalysis & Environm, BP 242, Kenitra 14000, Morocco

[3] Hassan II Univ UH II, Lab Interface Mat & Environm, BP 5366, Casablanca, Morocco

来源：

BIOINTERFACE RESEARCH IN APPLIED CHEMISTRY | 2021年 / 11卷 / 06期

关键词：

MEAHA; green inhibitor; corrosion behavior; mild steel; MEB/EDS; Langmuir adsorption; E24; CARBON-STEEL; COATING BEHAVIOR; OIL; DFT;

D O I：

10.33263/BRIAC116.1475114763

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

The influence of the methanolic extract of Artemisia herba alba (MEAHA) as a potential green inhibitor on the corrosion behavior of mild steel in 1M HCl solution in the presence of different concentrations (200 to 500 ppm) was explored and investigated using weight loss (WL) method, potentiodynamic polarization (PDP) technique, electrochemical impedance spectroscopy (EIS) measurement, scanning electron microscope (SEM) analysis, energy dispersive spectroscopy (EDS), temperature effect, Langmuir adsorption isotherm, and kinetic thermodynamic parameters. Obtained results suggest that the increases in MEAHA concentration lead to increases in the anti-corrosive protection efficiencies, which are 91, 89, and 90% for WL, PDP, and EIS, respectively. SEM analysis resulting after soaking in the corrosion inhibitor solution, the surface of mild steel is still relatively smooth for 24 h. Adsorption of MEAHA obeyed Langmuir adsorption isotherm model. Also, MEAHA green inhibitor is very well adsorbed by the active centers on MS area.

引用

页码：14751 / 14763

页数：13

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