Synergistic influence of iodide ions on the inhibition of corrosion of mild steel in sulphuric acid by cyclohexylamine
The synergistic inhibition of corrosion of mild steel in 0.5 M H sub 2SO sub 4 by a combination of cyclohexylamine (CHA) and iodide ions has been studied using different electrochemical techniques. Corrosion inhibition is found to decrease with increase in the concentration of CHA. Iodide ions are f...
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| Veröffentlicht in: | Indian journal of chemical technology 1998-05, Vol.5 (3), p.167-171 |
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| container_title | Indian journal of chemical technology |
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| creator | MURALIDHARAN, S SYED AZIM, S VENKATAKRISHNA IYER, S |
| description | The synergistic inhibition of corrosion of mild steel in 0.5 M H sub 2SO sub 4 by a combination of cyclohexylamine (CHA) and iodide ions has been studied using different electrochemical techniques. Corrosion inhibition is found to decrease with increase in the concentration of CHA. Iodide ions are found to enhance the inhibition by CHA considerably. Synergistic parameters such as S sub I and S sub theta obtained from values of inhibition efficiency and surface coverage are found to be more than unity. This observation clearly shows the synergistic influence of iodide ions on the corrosion inhibition by CHA. The adsorption of CHA alone and in combination with iodide ions obeys Langmuir's adsorption isotherm. |
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Corrosion inhibition is found to decrease with increase in the concentration of CHA. Iodide ions are found to enhance the inhibition by CHA considerably. Synergistic parameters such as S sub I and S sub theta obtained from values of inhibition efficiency and surface coverage are found to be more than unity. This observation clearly shows the synergistic influence of iodide ions on the corrosion inhibition by CHA. The adsorption of CHA alone and in combination with iodide ions obeys Langmuir's adsorption isotherm.</description><identifier>ISSN: 0971-457X</identifier><language>eng</language><publisher>New Delhi: Council of Scientific & Industrial Research</publisher><subject>Applied sciences ; Corrosion ; Corrosion prevention ; Exact sciences and technology ; Metals. 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Corrosion inhibition is found to decrease with increase in the concentration of CHA. Iodide ions are found to enhance the inhibition by CHA considerably. Synergistic parameters such as S sub I and S sub theta obtained from values of inhibition efficiency and surface coverage are found to be more than unity. This observation clearly shows the synergistic influence of iodide ions on the corrosion inhibition by CHA. The adsorption of CHA alone and in combination with iodide ions obeys Langmuir's adsorption isotherm.</description><subject>Applied sciences</subject><subject>Corrosion</subject><subject>Corrosion prevention</subject><subject>Exact sciences and technology</subject><subject>Metals. 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Metallurgy</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>MURALIDHARAN, S</creatorcontrib><creatorcontrib>SYED AZIM, S</creatorcontrib><creatorcontrib>VENKATAKRISHNA IYER, S</creatorcontrib><collection>Pascal-Francis</collection><collection>Corrosion Abstracts</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><collection>METADEX</collection><jtitle>Indian journal of chemical technology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>MURALIDHARAN, S</au><au>SYED AZIM, S</au><au>VENKATAKRISHNA IYER, S</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Synergistic influence of iodide ions on the inhibition of corrosion of mild steel in sulphuric acid by cyclohexylamine</atitle><jtitle>Indian journal of chemical technology</jtitle><date>1998-05-01</date><risdate>1998</risdate><volume>5</volume><issue>3</issue><spage>167</spage><epage>171</epage><pages>167-171</pages><issn>0971-457X</issn><abstract>The synergistic inhibition of corrosion of mild steel in 0.5 M H sub 2SO sub 4 by a combination of cyclohexylamine (CHA) and iodide ions has been studied using different electrochemical techniques. Corrosion inhibition is found to decrease with increase in the concentration of CHA. Iodide ions are found to enhance the inhibition by CHA considerably. Synergistic parameters such as S sub I and S sub theta obtained from values of inhibition efficiency and surface coverage are found to be more than unity. This observation clearly shows the synergistic influence of iodide ions on the corrosion inhibition by CHA. The adsorption of CHA alone and in combination with iodide ions obeys Langmuir's adsorption isotherm.</abstract><cop>New Delhi</cop><pub>Council of Scientific & Industrial Research</pub><tpages>5</tpages></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0971-457X |
| ispartof | Indian journal of chemical technology, 1998-05, Vol.5 (3), p.167-171 |
| issn | 0971-457X |
| language | eng |
| recordid | cdi_proquest_miscellaneous_26803699 |
| source | DOAJ Directory of Open Access Journals; Free Full-Text Journals in Chemistry |
| subjects | Applied sciences Corrosion Corrosion prevention Exact sciences and technology Metals. Metallurgy |
| title | Synergistic influence of iodide ions on the inhibition of corrosion of mild steel in sulphuric acid by cyclohexylamine |
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