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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
Corrosion inhibition of iron in 1 M HCl by some gemini surfactants in the series of alkanediyl-α,ω-bis-(dimethyl tetradecyl ammonium bromide)
Progress in Organic Coatings, Volume 43, No. 4, Year 2001
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Description
Three new gemini surfactants in the series of alkanediyl-α,ω-bis-(dimethylalkyl ammonium bromide) were synthesised and tested as corrosion inhibitors of iron in hydrochloric acid medium using gravimetric, electrochemical polarisation and electrochemical impedance spectroscopy (EIS) measurements. Results obtained show that the surfactants studied are good cathodic inhibitors and act on the cathodic hydrogen reaction without modifying its mechanism. EIS results show that the changes in the impedance parameters (RT and Cdl) with concentration of surfactants studied is indicative of the adsorption of molecules of surfactant leading to the formation of a protective layer on the surface of iron. The effect of the temperature on the iron corrosion in both 1M HCl and 1M HCl with addition of various concentrations of 1,2-ethane bis-(dimethyl tetradecyl ammonium bromide) in the range of temperature 20-60°C was studied. The associated apparent activation corrosion energy has been determined. © 2001 Elsevier Science B.V. All rights reserved.
Authors & Co-Authors
El Achouri, Mohammed
Morocco, Rabat
Ecole Normale Supérieure de Rabat
Kertit, Sekkou
Morocco, Rabat
Ecole Normale Supérieure de Rabat
Gouttaya, H. M.
Morocco, Fez
Faculté Des Sciences Dhar el Mahraz, Université Sidi Mohamed Ben Abdellah
Nciri, Benaissa
Morocco, Fez
Faculté Des Sciences Dhar el Mahraz, Université Sidi Mohamed Ben Abdellah
Bensouda, Yahya
Morocco, Rabat
Faculté de Médecine et de Pharmacie de Rabat
Pérez, Lourdes
Spain, Barcelona
Csic - Centro de Investigación y Desarrollo Pascual Vila Cid
Infante, María Rosa
Spain, Barcelona
Csic - Centro de Investigación y Desarrollo Pascual Vila Cid
El Kacemi, Kacem
Morocco, Rabat
Faculté Des Sciences Rabat
Statistics
Citations: 205
Authors: 8
Affiliations: 5
Identifiers
Doi:
10.1016/S0300-9440(01)00208-9