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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
chemistry
Experimental and theoretical study for corrosion inhibition of mild steel 1 M HCl solution by some new diaminopropanenitrile compounds
Research on Chemical Intermediates, Volume 38, No. 7, Year 2012
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Description
The inhibition of the corrosion of mild steel 1 M HCl solution by some diamine compounds has been investigated in relation to the concentration of the inhibitor as well as the temperature using weight loss and electrochemical measurements. The effect of the temperature on the corrosion behavior with the addition of different concentrations of new diamine compounds (3-[2-(2-cyano-ethylamino)- methylamino]-propionitrile (P1); 3-[2-(2-cyano-ethylamino)-ethylamino]-propionitrile (P2), and 3-[6-(2-cyano-ethylamino)-hexylamino]-propionitrile (P3), respectively, was studied in the temperature range 40-80 °C. Polarization curves reveal that (P1, P2, and P3) are mixed type inhibitors. The inhibition efficiency of organic compounds is temperature independent, but increases with the inhibitor concentration. Adsorption of inhibitor on the carbon steel surface is found to obey the Langmuir adsorption isotherm. Some thermodynamic functions of dissolution and adsorption processes were also determined. On the other hand, and in order to determine the relationship between the molecular structure of these compounds and inhibition efficiency, quantum chemical parameters were calculated. The theoretically obtained results were found to be consistent with the experimental data. © Springer Science+Business Media B.V. 2012.
Authors & Co-Authors
Herrag, L.
Morocco, Oujda
Université Mohammed Premier Oujda
Bouklah, Mohammed
Morocco, Oujda
Université Mohammed Premier Oujda
Patel, N. S.
India, Surat
S. V. National Institute of Technology
Mistry, B. M.
India, Surat
S. V. National Institute of Technology
Hammouti, Belkheir
Morocco, Oujda
Université Mohammed Premier Oujda
Elkadiri, Sghir
Morocco, Oujda
Université Mohammed Premier Oujda
Bouachrine, Mohammed
Morocco, Taza
Faculté Polydisciplinaire de Taza, Université Sidi Mohamed Ben Abdellah
Statistics
Citations: 18
Authors: 7
Affiliations: 3
Identifiers
Doi:
10.1007/s11164-012-0493-1
ISSN:
09226168
e-ISSN:
15685675
Research Areas
Environmental