Evaluation of Cleome Droserifolia (Samwah) as Green Corrosion Inhibitor for Mild Steel in 1 M HCl Solution

被引：7
|
作者：
Fouda, Abd El-Aziz S. [1 ]
Abou Shahba, Rabab M. [2 ]
El-Shenawy, Azza E. [2 ]
Seyam, Taghreed J. A. [3 ]
机构：
[1] El Mansoura Univ, Dept Chem, Fac Sci, Mansoura 35516, Egypt
[2] Al Azhar Univ, Fac Sci, Dept Chem, Girls Branch, Cairo, Egypt
[3] Minist Educ & Higher Educ, Gaza, Palestine
来源：
INTERNATIONAL JOURNAL OF ELECTROCHEMICAL SCIENCE | 2018年 / 13卷 / 07期
关键词：
Corrosion inhibition; Cleome Droserifolia (Samwah) extract; mild steel; HCl; SEM; AFM; SYNTHESIZED DIAMINE DERIVATIVES; HYDROCHLORIC-ACID; CARBON-STEEL; TRIAZOLE DERIVATIVES; ADSORPTION BEHAVIOR; LEAVES EXTRACT; PROTECTION;
D O I：
10.20964/2018.03.54
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
Cleome Droserifolia (Samwah) extract (CDE) was investigated for its capability to prevent mild steel (MS) corrosion in HCl (1.0 M) by means of mass loss (ML) and electrochemical (e.g. Tafel polarization (TP), electrochemical frequency modulation (EFM), electrochemical impedance spectroscopy (EIS)) techniques. The inhibitor protection (IP) improved with rise in inhibitor concentration and lowered with decrease the temperature. Tafel polarization (TP) showed that this extract acts as mixed kind inhibitor. CDE was adsorbed physically on MS surface obeying Langmuir adsorption isotherm. Surface analyses via atomic force microscope (AFM) and scanning electron (SEM) showed a significant surface of the MS. The CDE was used to be the best corrosion inhibitor for MS in 1.0 M HCl as all utilized techniques report.
引用
收藏
页码：7057 / 7075
页数：19
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