Article (Scientific journals)
Plants as a source of green corrosion inhibitors on mild steel in hydrochloric acid: The case of oil extract of leaves of Pistacia lentiscus from Saidia Morocco
Aouinti, Fatima; Elmsellem, Hicham; Bachiri, Ali et al.
2014In Journal of Chemical and Pharmaceutical Research, 6 (7), p. 10-23
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Keywords :
Corrosion; mild steel; hydrochloric acid; inhibition; Pistacia lentiscus; oil; extract; electrochemical; adsorption
Abstract :
[en] The aim of this work was to characterize the essential oils of Pistacia lentiscus (P.L) from Saidia Morocco and analysis by gas chromatograph interfaced with a mass spectrometer (GC-MS). The Corrosion inhibition effect of organic oil and extract of leaves of Pistacia lentiscus (P.L) of mild steel in 1M HCl solution was carried out using, gravimetric, electrochemical polarization and EIS methods. Experiments are performed by varying concentration of the inhibitor. The inhibition efficiency increases with increased organic oil and extract concentration to attain a maximum value of 96.34 % and 86.59% at 1g/L for oil and extract respectively. The study reveals that oil, was dominated by monoterpene hydrocarbons (44.99%) followed by xygenated monoterpenes (13.66%) and Sesquiterpene hydrocarbons (16.59%). Among them, limonene (18.92%), α-pinene (13.94%), β- caryo phyllene (6.93%) and terpinen-4-ol (5.57%) were identified as major components. The Pistacia lentiscus oil and extract acts a mixed inhibitor and showed a result of the growth in the compactness of the protecting film dressing. The organic oil and extract adsorbs on the mild steel surface according to a Langmuir isotherm adsorption model.
Disciplines :
Phytobiology (plant sciences, forestry, mycology...)
Author, co-author :
Aouinti, Fatima;  University Mohammed Premier > Laboratory of Physical Chemistry of the Natural Resources and Environment
Elmsellem, Hicham
Bachiri, Ali
Fauconnier, Marie-Laure  ;  Université de Liège - ULiège > Chimie et bio-industries > Chimie générale et organique
Chetouani, Ahmed
Chaouki, Belbachir
Aouniti, Abdelouahad
Hammouti, Belkheir
Language :
English
Title :
Plants as a source of green corrosion inhibitors on mild steel in hydrochloric acid: The case of oil extract of leaves of Pistacia lentiscus from Saidia Morocco
Publication date :
2014
Journal title :
Journal of Chemical and Pharmaceutical Research
eISSN :
0975-7384
Publisher :
Chandra Shekhar Sharma, Jaipur, India
Volume :
6
Issue :
7
Pages :
10-23
Peer reviewed :
Peer reviewed
Available on ORBi :
since 27 November 2014

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