Experimental Evaluation for the Inhibition of Carbon Steel Corrosion in Salt and Acid Media by New Derivative of Quinolin-2-One

Mohammed, Mustafa Alaa and Kubba, Rehab Majed (2021) Experimental Evaluation for the Inhibition of Carbon Steel Corrosion in Salt and Acid Media by New Derivative of Quinolin-2-One. B P International, pp. 146-159. ISBN 978-93-91882-62-4

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Abstract

The inhibition ability of the new derivative (quinolin-2-one), namely (1-{[5-(2-Chloro-phenylazo)-2-hydroy-benzylidene]-amino}-4,7-dimethyl-6-nitro-1H- quinolin-2-one (CPHAQ2O)) towards carbon steel corrosion in (3.5% NaCl) and (0.5M HCl) solutions were evaluated by potentiodynamic polarization at different inhibitor concentrations. Polarization curves showed that the evaluated compound acted as mixed inhibitors, and the adsorption of the evaluated inhibitor obeys the Langmuir adsorption isotherm in both salt and acid solutions. The results revealed that the percentage inhibition efficiency (%IE) in the salty solution (90.55%) is greater than that in the acidic solution (77.62%). The surface changes of the carbon steel and the film persistency of the inhibitor were studied using SEM (Scanning Electron Microscopy).

Item Type: Book
Subjects: GO for STM > Physics and Astronomy
Depositing User: Unnamed user with email support@goforstm.com
Date Deposited: 07 Dec 2023 03:34
Last Modified: 07 Dec 2023 03:34
URI: http://archive.article4submit.com/id/eprint/1960

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