Study of the Corrosion Inhibition Effect of Pistachio Essential Oils in 0.5 M H2SO4

被引：0

作者：

Salghi, R. ^{[1
]}

Ben Hmamou, D. ^{[1
]}

Benali, O. ^{[2
]}

Jodeh, S. ^{[3
]}

Warad, I. ^{[3
]}

Hamed, O. ^{[3
]}

Ebenso, Eno. E. ^{[4
]}

Oukacha, A. ^{[5
]}

Tahrouch, S. ^{[5
]}

Hammouti, B. ^{[6
]}

机构：

[1] Univ Ibn Zohr, ENSA, Lab Environm Engn & Biotechnol, Agadir 80000, Morocco

[2] Univ Dr Tahar Moulay, Fac Sci, Dept Biol, Saida, Algeria

[3] An Najah Natl Univ, Dept Chem, Nablus, Israel

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

[5] Univ Ibn Zohr, Fac Sci, Dept Biol, Lab Biotechnol Vegetale, Agadir, Morocco

[6] Univ Mohammed Premier, Fac Sci, LCAE URAC 18, Oujda 60000, Morocco

来源：

INTERNATIONAL JOURNAL OF ELECTROCHEMICAL SCIENCE | 2015年 / 10卷 / 10期

关键词：

carbon steel; inhibition; pistachio essential oils; EIS; Potentiodynamic polarization; Langmuir; 1 M HCL; MILD-STEEL; CARBON-STEEL; ACID CORROSION; SCHIFF-BASE; IRON; DERIVATIVES; EXTRACT; MEDIA;

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 corrosion inhibition of Pistachio Essential Oils (PEO) on carbon steel in 0.5 M H2SO4 was investigated by weight loss, potentiodynamic polarization and electrochemical impedance spectroscopy (EIS). Results showed that PEO inhibited carbon steel corrosion in a 0.5 M H2SO4 solution and indicated that the inhibition efficiencies increased with the concentration of inhibitor. Potentiodynamic polarization studies suggested that this inhibitor is a mixed type inhibitor with predominance anodic type. Nyquist plots indicated that the addition of inhibitor decreases the double-layer capacitance (C-dl) of the corrosion process depressed semicircles with their centre below real axis. The PEO adsorption on the carbon steel surface followed the Langmuir adsorption isotherm.

引用

页码：8403 / 8411

页数：9

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