Electrochemical investigation of Substituted Pyranopyrazoles Adsorption on Mild Steel in Acid Solution
Four substituted pyranopyrazole derivatives (PPZs) were synthesized and their effects on the electrochemical behavior of mild steel in 1 M HCl were investigated using gravimetric measurements, Tafel extrapolation method, linear polarization resistance (LPR), and electrochemical impedance spectroscop...
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| Veröffentlicht in: | Industrial & engineering chemistry research 2012-06, Vol.51 (24), p.8194-8210 |
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| container_title | Industrial & engineering chemistry research |
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| creator | Yadav, Dileep Kumar Quraishi, M. A |
| description | Four substituted pyranopyrazole derivatives (PPZs) were synthesized and their effects on the electrochemical behavior of mild steel in 1 M HCl were investigated using gravimetric measurements, Tafel extrapolation method, linear polarization resistance (LPR), and electrochemical impedance spectroscopy (EIS). Tafel polarization measurements revealed that these compounds effectively suppressed both the anodic and cathodic processes of mild steel corrosion in acid solution and acted as mixed-type inhibitors. Scanning electron microscopy (SEM) and energy dispersive X-ray spectroscopy (EDX) examinations of electrode surface confirmed the existence of adherent layer of inhibitor on electrode surface. The UV–visible absorption spectrum of inhibitor solution containing mild steel indicated the formation of Fe–PPZ complex. Quantum chemical calculations have been used to evaluate the structural, electronic, and reactivity parameters of the selected pyranopyrazole derivatives in relation to their inhibition action. |
| doi_str_mv | 10.1021/ie3002155 |
| format | Article |
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Quantum chemical calculations have been used to evaluate the structural, electronic, and reactivity parameters of the selected pyranopyrazole derivatives in relation to their inhibition action.</description><identifier>ISSN: 0888-5885</identifier><identifier>EISSN: 1520-5045</identifier><identifier>DOI: 10.1021/ie3002155</identifier><identifier>CODEN: IECRED</identifier><language>eng</language><publisher>Washington, DC: American Chemical Society</publisher><subject>Adsorption ; Applied sciences ; Carbon steels ; Chemical engineering ; Corrosion inhibitors ; Derivatives ; Electrochemical impedance spectroscopy ; Electrodes ; Exact sciences and technology ; Inhibition ; Quantum chemistry ; Surface chemistry</subject><ispartof>Industrial & engineering chemistry research, 2012-06, Vol.51 (24), p.8194-8210</ispartof><rights>Copyright © 2012 American Chemical Society</rights><rights>2015 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-a359t-a3d47384997f86c1111613c9c967496445b71ff1cdb9d26b900152b49d45e5a83</citedby><cites>FETCH-LOGICAL-a359t-a3d47384997f86c1111613c9c967496445b71ff1cdb9d26b900152b49d45e5a83</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://pubs.acs.org/doi/pdf/10.1021/ie3002155$$EPDF$$P50$$Gacs$$H</linktopdf><linktohtml>$$Uhttps://pubs.acs.org/doi/10.1021/ie3002155$$EHTML$$P50$$Gacs$$H</linktohtml><link.rule.ids>314,780,784,2765,27076,27924,27925,56738,56788</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=26029655$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Yadav, Dileep Kumar</creatorcontrib><creatorcontrib>Quraishi, M. 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The UV–visible absorption spectrum of inhibitor solution containing mild steel indicated the formation of Fe–PPZ complex. Quantum chemical calculations have been used to evaluate the structural, electronic, and reactivity parameters of the selected pyranopyrazole derivatives in relation to their inhibition action.</description><subject>Adsorption</subject><subject>Applied sciences</subject><subject>Carbon steels</subject><subject>Chemical engineering</subject><subject>Corrosion inhibitors</subject><subject>Derivatives</subject><subject>Electrochemical impedance spectroscopy</subject><subject>Electrodes</subject><subject>Exact sciences and technology</subject><subject>Inhibition</subject><subject>Quantum chemistry</subject><subject>Surface chemistry</subject><issn>0888-5885</issn><issn>1520-5045</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2012</creationdate><recordtype>article</recordtype><recordid>eNptkE9LAzEQxYMoWKsHv0Eugh5Wk90kmxxLqX-golA9L9lsoinpZk12hfrpzdJSPDiHGYb5zYP3ALjE6BajHN9ZXaA0KT0CE0xzlFFE6DGYIM55Rjmnp-AsxjVCiFJCJsAsnFZ98OpTb6ySDtr2W8fefsje-hZ6A1dDnfZ-6HUDX7dBtr5L_cc7HeGsiT50O7KFz9Y1cNVrParAmbJp824Yz-fgxEgX9cV-TsH7_eJt_pgtXx6e5rNlJgsq-tQbUhacCFEazhROxXChhBKsJIIRQusSG4NVU4smZ7VAKJmsiWgI1VTyYgqud7pd8F9DMlJtbFTaOdlqP8QKM5EXAmOCE3qzQ1XwMQZtqi7YjQzbCqNqzLI6ZJnYq72sjCkkk1JQNh4ecoZywf5yUsVq7YfQJrP_6P0C19N_Vg</recordid><startdate>20120620</startdate><enddate>20120620</enddate><creator>Yadav, Dileep Kumar</creator><creator>Quraishi, M. 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Res</addtitle><date>2012-06-20</date><risdate>2012</risdate><volume>51</volume><issue>24</issue><spage>8194</spage><epage>8210</epage><pages>8194-8210</pages><issn>0888-5885</issn><eissn>1520-5045</eissn><coden>IECRED</coden><abstract>Four substituted pyranopyrazole derivatives (PPZs) were synthesized and their effects on the electrochemical behavior of mild steel in 1 M HCl were investigated using gravimetric measurements, Tafel extrapolation method, linear polarization resistance (LPR), and electrochemical impedance spectroscopy (EIS). Tafel polarization measurements revealed that these compounds effectively suppressed both the anodic and cathodic processes of mild steel corrosion in acid solution and acted as mixed-type inhibitors. Scanning electron microscopy (SEM) and energy dispersive X-ray spectroscopy (EDX) examinations of electrode surface confirmed the existence of adherent layer of inhibitor on electrode surface. The UV–visible absorption spectrum of inhibitor solution containing mild steel indicated the formation of Fe–PPZ complex. Quantum chemical calculations have been used to evaluate the structural, electronic, and reactivity parameters of the selected pyranopyrazole derivatives in relation to their inhibition action.</abstract><cop>Washington, DC</cop><pub>American Chemical Society</pub><doi>10.1021/ie3002155</doi><tpages>17</tpages></addata></record> |
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| source | American Chemical Society Journals |
| subjects | Adsorption Applied sciences Carbon steels Chemical engineering Corrosion inhibitors Derivatives Electrochemical impedance spectroscopy Electrodes Exact sciences and technology Inhibition Quantum chemistry Surface chemistry |
| title | Electrochemical investigation of Substituted Pyranopyrazoles Adsorption on Mild Steel in Acid Solution |
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