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Inhibition of Mild Steel Corrosion in Sulfuric Acid Solution by New Schiff Base
The efficiency of Schiff base derived from 4-aminoantipyrine, namely 2-(1,5-dimethyl-4-(2-methylbenzylidene)amino)-2-phenyl-1H-pyrazol-3(2H)-ylidene) hydrazinecarbothioamide as a corrosion inhibitor on mild steel in 1.0 M H(2)SO(4) was investigated using electrochemical impedance spectroscopy (EIS),...
Autores principales: | , , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
MDPI
2014
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5453085/ https://www.ncbi.nlm.nih.gov/pubmed/28788488 http://dx.doi.org/10.3390/ma7020787 |
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author | Al-Amiery, Ahmed A. Kadhum, Abdul Amir H. Kadihum, Abdulhadi Mohamad, Abu Bakar How, Chong K. Junaedi, Sutiana |
author_facet | Al-Amiery, Ahmed A. Kadhum, Abdul Amir H. Kadihum, Abdulhadi Mohamad, Abu Bakar How, Chong K. Junaedi, Sutiana |
author_sort | Al-Amiery, Ahmed A. |
collection | PubMed |
description | The efficiency of Schiff base derived from 4-aminoantipyrine, namely 2-(1,5-dimethyl-4-(2-methylbenzylidene)amino)-2-phenyl-1H-pyrazol-3(2H)-ylidene) hydrazinecarbothioamide as a corrosion inhibitor on mild steel in 1.0 M H(2)SO(4) was investigated using electrochemical impedance spectroscopy (EIS), potentiodynamic polarization (PD) and electrochemical frequently modulation (EFM) in addition to the adsorption isotherm, corrosion kinetic parameters and scanning electron microscopy (SEM). The results showed that this inhibitor behaved as a good corrosion inhibitor, even at low concentration, with a mean efficiency of 93% and, also, a reduction of the inhibition efficiency as the solution temperature increases. A polarization technique and EIS were tested for different concentrations and different temperatures to reveal that this compound is adsorbed on the mild steel, therefore blocking the active sites, and the adsorption follows the Langmuir adsorption isotherm model. The excellent inhibition effectiveness of 2-(1,5-dimethyl-4-(2-methylbenzylidene)amino)-2-phenyl-1H-pyrazol-3(2H)-ylidene)hydrazinecarbothioamide was also verified by scanning electron microscope (SEM). |
format | Online Article Text |
id | pubmed-5453085 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2014 |
publisher | MDPI |
record_format | MEDLINE/PubMed |
spelling | pubmed-54530852017-07-28 Inhibition of Mild Steel Corrosion in Sulfuric Acid Solution by New Schiff Base Al-Amiery, Ahmed A. Kadhum, Abdul Amir H. Kadihum, Abdulhadi Mohamad, Abu Bakar How, Chong K. Junaedi, Sutiana Materials (Basel) Article The efficiency of Schiff base derived from 4-aminoantipyrine, namely 2-(1,5-dimethyl-4-(2-methylbenzylidene)amino)-2-phenyl-1H-pyrazol-3(2H)-ylidene) hydrazinecarbothioamide as a corrosion inhibitor on mild steel in 1.0 M H(2)SO(4) was investigated using electrochemical impedance spectroscopy (EIS), potentiodynamic polarization (PD) and electrochemical frequently modulation (EFM) in addition to the adsorption isotherm, corrosion kinetic parameters and scanning electron microscopy (SEM). The results showed that this inhibitor behaved as a good corrosion inhibitor, even at low concentration, with a mean efficiency of 93% and, also, a reduction of the inhibition efficiency as the solution temperature increases. A polarization technique and EIS were tested for different concentrations and different temperatures to reveal that this compound is adsorbed on the mild steel, therefore blocking the active sites, and the adsorption follows the Langmuir adsorption isotherm model. The excellent inhibition effectiveness of 2-(1,5-dimethyl-4-(2-methylbenzylidene)amino)-2-phenyl-1H-pyrazol-3(2H)-ylidene)hydrazinecarbothioamide was also verified by scanning electron microscope (SEM). MDPI 2014-01-28 /pmc/articles/PMC5453085/ /pubmed/28788488 http://dx.doi.org/10.3390/ma7020787 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 Al-Amiery, Ahmed A. Kadhum, Abdul Amir H. Kadihum, Abdulhadi Mohamad, Abu Bakar How, Chong K. Junaedi, Sutiana Inhibition of Mild Steel Corrosion in Sulfuric Acid Solution by New Schiff Base |
title | Inhibition of Mild Steel Corrosion in Sulfuric Acid Solution by New Schiff Base |
title_full | Inhibition of Mild Steel Corrosion in Sulfuric Acid Solution by New Schiff Base |
title_fullStr | Inhibition of Mild Steel Corrosion in Sulfuric Acid Solution by New Schiff Base |
title_full_unstemmed | Inhibition of Mild Steel Corrosion in Sulfuric Acid Solution by New Schiff Base |
title_short | Inhibition of Mild Steel Corrosion in Sulfuric Acid Solution by New Schiff Base |
title_sort | inhibition of mild steel corrosion in sulfuric acid solution by new schiff base |
topic | Article |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5453085/ https://www.ncbi.nlm.nih.gov/pubmed/28788488 http://dx.doi.org/10.3390/ma7020787 |
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