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Inhibition of Mild Steel Corrosion in Hydrochloric Acid Solution by New Coumarin

A new coumarin derivative, N,N′-((2E,2′E)-2,2′-(1,4-phenylenebis(methanylylidene))bis(hydrazinecarbonothioyl))bis(2-oxo-2H-chromene-3-carboxamide) PMBH, was synthesized and its chemical structure was elucidated and confirmed using spectroscopic techniques (Infrared spectroscopy IR, Proton nuclear ma...

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Autores principales: Kadhum, Abdul Amir H., Mohamad, Abu Bakar, Hammed, Leiqaa A., Al-Amiery, Ahmed A., San, Ng Hooi, Musa, Ahmed Y.
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2014
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5455929/
https://www.ncbi.nlm.nih.gov/pubmed/28788680
http://dx.doi.org/10.3390/ma7064335
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author Kadhum, Abdul Amir H.
Mohamad, Abu Bakar
Hammed, Leiqaa A.
Al-Amiery, Ahmed A.
San, Ng Hooi
Musa, Ahmed Y.
author_facet Kadhum, Abdul Amir H.
Mohamad, Abu Bakar
Hammed, Leiqaa A.
Al-Amiery, Ahmed A.
San, Ng Hooi
Musa, Ahmed Y.
author_sort Kadhum, Abdul Amir H.
collection PubMed
description A new coumarin derivative, N,N′-((2E,2′E)-2,2′-(1,4-phenylenebis(methanylylidene))bis(hydrazinecarbonothioyl))bis(2-oxo-2H-chromene-3-carboxamide) PMBH, was synthesized and its chemical structure was elucidated and confirmed using spectroscopic techniques (Infrared spectroscopy IR, Proton nuclear magnetic resonance, (1)H-NMR and carbon-13 nuclear magnetic resonance (13)C-NMR). The corrosion inhibition effect of PMBH on mild steel in 1.0 M HCl was investigated using corrosion potential (E(CORR)), potentiodynamic polarization, electrochemical impedance spectroscopy (EIS), and electrochemical frequency modulation (EFM) measurements. The obtained results indicated that PMBH has promising inhibitive effects on the corrosion of mild steel in 1.0 M HCl across all of the conditions examined. Scanning electron microscopy (SEM) was used to investigate the morphology of the mild steel before and after immersion in 1.0 M HCl solution containing 0.5 mM of PMBH. Surface analysis revealed improvement of corrosion resistance in presence of PMBH.
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spelling pubmed-54559292017-07-28 Inhibition of Mild Steel Corrosion in Hydrochloric Acid Solution by New Coumarin Kadhum, Abdul Amir H. Mohamad, Abu Bakar Hammed, Leiqaa A. Al-Amiery, Ahmed A. San, Ng Hooi Musa, Ahmed Y. Materials (Basel) Article A new coumarin derivative, N,N′-((2E,2′E)-2,2′-(1,4-phenylenebis(methanylylidene))bis(hydrazinecarbonothioyl))bis(2-oxo-2H-chromene-3-carboxamide) PMBH, was synthesized and its chemical structure was elucidated and confirmed using spectroscopic techniques (Infrared spectroscopy IR, Proton nuclear magnetic resonance, (1)H-NMR and carbon-13 nuclear magnetic resonance (13)C-NMR). The corrosion inhibition effect of PMBH on mild steel in 1.0 M HCl was investigated using corrosion potential (E(CORR)), potentiodynamic polarization, electrochemical impedance spectroscopy (EIS), and electrochemical frequency modulation (EFM) measurements. The obtained results indicated that PMBH has promising inhibitive effects on the corrosion of mild steel in 1.0 M HCl across all of the conditions examined. Scanning electron microscopy (SEM) was used to investigate the morphology of the mild steel before and after immersion in 1.0 M HCl solution containing 0.5 mM of PMBH. Surface analysis revealed improvement of corrosion resistance in presence of PMBH. MDPI 2014-06-05 /pmc/articles/PMC5455929/ /pubmed/28788680 http://dx.doi.org/10.3390/ma7064335 Text en © 2014 by the authors. licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution license (http://creativecommons.org/licenses/by/3.0/).
spellingShingle Article
Kadhum, Abdul Amir H.
Mohamad, Abu Bakar
Hammed, Leiqaa A.
Al-Amiery, Ahmed A.
San, Ng Hooi
Musa, Ahmed Y.
Inhibition of Mild Steel Corrosion in Hydrochloric Acid Solution by New Coumarin
title Inhibition of Mild Steel Corrosion in Hydrochloric Acid Solution by New Coumarin
title_full Inhibition of Mild Steel Corrosion in Hydrochloric Acid Solution by New Coumarin
title_fullStr Inhibition of Mild Steel Corrosion in Hydrochloric Acid Solution by New Coumarin
title_full_unstemmed Inhibition of Mild Steel Corrosion in Hydrochloric Acid Solution by New Coumarin
title_short Inhibition of Mild Steel Corrosion in Hydrochloric Acid Solution by New Coumarin
title_sort inhibition of mild steel corrosion in hydrochloric acid solution by new coumarin
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5455929/
https://www.ncbi.nlm.nih.gov/pubmed/28788680
http://dx.doi.org/10.3390/ma7064335
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