The inhibitive action of Pistacia lentiscus as a potential green corrosion inhibitor for mild steel in acidic medium

被引：0

作者：

Salhi, A. ^{[1
]}

Bouyanzer, A. ^{[1
]}

El Mounsi, I. ^{[2
]}

Bendaha, H. ^{[2
]}

Chetouani, A. ^{[1
,3
]}

Amhamdid, H. ^{[4
,5
]}

Zarrouk, A. ^{[1
]}

Hammouti, B. ^{[1
]}

Desjobert, J. M. ^{[6
]}

Costa, J. ^{[6
]}

机构：

[1] Univ Mohammed Premier, Fac Sci, LCAE URAC18, BP 4808, Oujda 60046, Morocco

[2] Univ Mohammed Premier, Fac Sci, LCM, Oujda, Morocco

[3] CRMEF, Chim Phys Lab, Oujda, Morocco

[4] Univ Mohamed I, Dept Chem, Lab Phys Chem & Nat Resources & Environm, BP 717,Ave Mohamed VI, Oujda 60000, Morocco

[5] Univ Ibn Tofail, Fac Sci, BP 133, Kenitra 14000, Morocco

[6] Univ Corse, Lab Chim Prod Nat, UMR CNRS 6134, Corte, France

来源：

MOROCCAN JOURNAL OF CHEMISTRY | 2016年 / 4卷 / 04期

关键词：

Pistacia lentiscus; adsorption; corrosion; green inhibitor; mild steel; sulfuric acid;

D O I：

暂无

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The aim of present work is to test the effect of the extract (PLE) andthe essential oil (PLO) of Pistacia lentiscus as a potential green corrosion inhibitors for acidic media using weight loss measurements and electrochemical techniques (potentiodynamic polarization curves, and electrochemical impedance spectroscopy) in the presence of different concentrations of PLE & PLO ranging from 0.25 to 2 g/L. The inhibition efficiency was found to increase with increasing inhibitor concentration up to maximum 81.2% and 92.1% for PLO and PLE at 2g/L, respectively. Potentiodynamic polarization showed that PLE and PLO act as mixed type inhibitors. Nyquist plots show that the efficiency of inhibition increases with increasing concentration of PL and the increased charge transfer resistance. Adsorption of PLO and PLE on the steel surface followed a Langmuir's isotherm and the thermodynamic parameters were determined and discussed.

引用

页码：1037 / 1051

页数：15

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