Inhibition of C-steel Corrosion in Hydrochloric Solution with Chenopodium Ambrorsioides Extract

被引：1

作者：

Belkhaouda, M. ^{[1
]}

Bammou, L. ^{[1
]}

Zarrouk, A. ^{[2
]}

Salghi, R. ^{[1
]}

Ebenso, E. E. ^{[3
]}

Zarrok, H. ^{[4
]}

Hammouti, B. ^{[2
]}

Bazzi, L. ^{[5
]}

Warad, I. ^{[6
]}

机构：

[1] Univ Ibn Zohr, ENSA, Equipe Genie Environm & Biotechnol, Agadir, Morocco

[2] Univ Mohammed Premier, Fac Sci, LCAE URAC18, Oujda, Morocco

[3] North West Univ, Fac Agr Sci & Technol, Mat Sci Innovat & Modelling MaSIM Focus Area, ZA-2735 Mmabatho, South Africa

[4] Univ Ibn Tofail, Fac Sci, Lab Proc Separat, Kenitra, Morocco

[5] Fac Sci, LME, Equipe Physicochim Mat & Environm, Agadir, Morocco

[6] AN Najah Natl Univ, Coll Sci, Dept Chem, Nablus, Israel

来源：

INTERNATIONAL JOURNAL OF ELECTROCHEMICAL SCIENCE | 2013年 / 8卷 / 05期

关键词：

inhibition; corrosion; Chenopodium ambrorsioides extract; steel; COLD-ROLLED STEEL; MILD-STEEL; ACID SOLUTION; CARBON-STEEL; C38; STEEL; CHEMICAL-CHARACTERIZATION; THERMODYNAMIC PROPERTIES; EFFICIENT INHIBITOR; PLANT-EXTRACT; HCL;

D O I：

暂无

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

The behaviour of C-steel in molar hydrochloric acid solution in the presence of Chenopodium Ambrorsioides Extract (CAE) was investigated using weight loss measurements, potentiodynamic polarization curves and electrochemical impedance spectroscopy. The results obtained reveal that the aggressiveness of hydrochloric solution was considerably decreased in the presence of the CAE. The inhibition efficiency was found to increase with increase in the concentration of the natural substances tested. Potentiodynamic polarization studies clearly reveal that the presence of CAE does not change the mechanism of the hydrogen evolution reaction and they act essentially as cathodic inhibitors. The temperature effect on the corrosion behaviour of C-steel is studied in the range from 298 to 328K without and with at 0.1 g/l. The adsorption isotherm of natural product on the steel has been determined. The apparent activation energies, enthalpies and entropies of the dissolution process were discussed.

引用

页码：7425 / 7436

页数：12

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