Experimental and theoretical study of corrosion inhibition of 3-pyridinecarbozalde thiosemicarbazone for mild steel in hydrochloric acid
•The studied inhibitor contains both pyridine ring and Schiff base structure.•3-PCT shows excellent inhibitive properties for mild steel in HCl solution.•The results of MD simulation reveal that 3-PCT molecules adsorb on the iron surface with a nearby flat orientation.•The PZC measurement showed the...
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| Veröffentlicht in: | Corrosion science 2013-09, Vol.74, p.206-213 |
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| creator | Xu, Bin Liu, Ying Yin, Xiaoshuang Yang, Wenzhong Chen, Yizhong |
| description | •The studied inhibitor contains both pyridine ring and Schiff base structure.•3-PCT shows excellent inhibitive properties for mild steel in HCl solution.•The results of MD simulation reveal that 3-PCT molecules adsorb on the iron surface with a nearby flat orientation.•The PZC measurement showed the mild steel surface was positively charged in HCl.
The corrosion inhibition effect of 3-pyridinecarboxaldehyde thiosemicarbazone (3-PCT) on mild steel was studied in 1M HCl solution by means of weight loss, potentiodynamic polarization and electrochemical impedance spectroscopy (EIS) measurements. The surface morphology of mild steel was examined with scanning electron microscopy (SEM) and the mechanism of inhibition was determined by the potential of zero charge (PZC) measurement at the metal–solution interface. Then molecular dynamics simulations were also executed for 3-PCT. The results show that 3-PCT is a good corrosion inhibitor, retarding both cathodic and anodic reactions in hydrochloric acid. The adsorption of 3-PCT on the mild steel surface obeys the Langmuir isotherm, and the thermodynamic parameters (Kads,Ea,ΔGads0) were also determined and discussed. |
| doi_str_mv | 10.1016/j.corsci.2013.04.044 |
| format | Article |
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The corrosion inhibition effect of 3-pyridinecarboxaldehyde thiosemicarbazone (3-PCT) on mild steel was studied in 1M HCl solution by means of weight loss, potentiodynamic polarization and electrochemical impedance spectroscopy (EIS) measurements. The surface morphology of mild steel was examined with scanning electron microscopy (SEM) and the mechanism of inhibition was determined by the potential of zero charge (PZC) measurement at the metal–solution interface. Then molecular dynamics simulations were also executed for 3-PCT. The results show that 3-PCT is a good corrosion inhibitor, retarding both cathodic and anodic reactions in hydrochloric acid. The adsorption of 3-PCT on the mild steel surface obeys the Langmuir isotherm, and the thermodynamic parameters (Kads,Ea,ΔGads0) were also determined and discussed.</description><identifier>ISSN: 0010-938X</identifier><identifier>EISSN: 1879-0496</identifier><identifier>DOI: 10.1016/j.corsci.2013.04.044</identifier><identifier>CODEN: CRRSAA</identifier><language>eng</language><publisher>Kidlington: Elsevier Ltd</publisher><subject>A. Mild steel ; Applied sciences ; B. EIS ; B. Weight loss ; C. Acid corrosion ; Carbon steels ; Corrosion ; Corrosion environments ; Corrosion inhibitors ; Corrosion prevention ; Corrosion tests ; Electrochemical impedance spectroscopy ; Exact sciences and technology ; Hydrochloric acid ; Inhibition ; Metals. Metallurgy ; Surface chemistry</subject><ispartof>Corrosion science, 2013-09, Vol.74, p.206-213</ispartof><rights>2013 Elsevier Ltd</rights><rights>2014 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c369t-6f8a763328850a6f38de2d9017456167a2c70d1df52990c5e1f369d03c59da773</citedby><cites>FETCH-LOGICAL-c369t-6f8a763328850a6f38de2d9017456167a2c70d1df52990c5e1f369d03c59da773</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.corsci.2013.04.044$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>315,781,785,3551,27929,27930,46000</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=27500120$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Xu, Bin</creatorcontrib><creatorcontrib>Liu, Ying</creatorcontrib><creatorcontrib>Yin, Xiaoshuang</creatorcontrib><creatorcontrib>Yang, Wenzhong</creatorcontrib><creatorcontrib>Chen, Yizhong</creatorcontrib><title>Experimental and theoretical study of corrosion inhibition of 3-pyridinecarbozalde thiosemicarbazone for mild steel in hydrochloric acid</title><title>Corrosion science</title><description>•The studied inhibitor contains both pyridine ring and Schiff base structure.•3-PCT shows excellent inhibitive properties for mild steel in HCl solution.•The results of MD simulation reveal that 3-PCT molecules adsorb on the iron surface with a nearby flat orientation.•The PZC measurement showed the mild steel surface was positively charged in HCl.
The corrosion inhibition effect of 3-pyridinecarboxaldehyde thiosemicarbazone (3-PCT) on mild steel was studied in 1M HCl solution by means of weight loss, potentiodynamic polarization and electrochemical impedance spectroscopy (EIS) measurements. The surface morphology of mild steel was examined with scanning electron microscopy (SEM) and the mechanism of inhibition was determined by the potential of zero charge (PZC) measurement at the metal–solution interface. Then molecular dynamics simulations were also executed for 3-PCT. The results show that 3-PCT is a good corrosion inhibitor, retarding both cathodic and anodic reactions in hydrochloric acid. The adsorption of 3-PCT on the mild steel surface obeys the Langmuir isotherm, and the thermodynamic parameters (Kads,Ea,ΔGads0) were also determined and discussed.</description><subject>A. Mild steel</subject><subject>Applied sciences</subject><subject>B. EIS</subject><subject>B. Weight loss</subject><subject>C. Acid corrosion</subject><subject>Carbon steels</subject><subject>Corrosion</subject><subject>Corrosion environments</subject><subject>Corrosion inhibitors</subject><subject>Corrosion prevention</subject><subject>Corrosion tests</subject><subject>Electrochemical impedance spectroscopy</subject><subject>Exact sciences and technology</subject><subject>Hydrochloric acid</subject><subject>Inhibition</subject><subject>Metals. 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Mild steel</topic><topic>Applied sciences</topic><topic>B. EIS</topic><topic>B. Weight loss</topic><topic>C. Acid corrosion</topic><topic>Carbon steels</topic><topic>Corrosion</topic><topic>Corrosion environments</topic><topic>Corrosion inhibitors</topic><topic>Corrosion prevention</topic><topic>Corrosion tests</topic><topic>Electrochemical impedance spectroscopy</topic><topic>Exact sciences and technology</topic><topic>Hydrochloric acid</topic><topic>Inhibition</topic><topic>Metals. Metallurgy</topic><topic>Surface chemistry</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Xu, Bin</creatorcontrib><creatorcontrib>Liu, Ying</creatorcontrib><creatorcontrib>Yin, Xiaoshuang</creatorcontrib><creatorcontrib>Yang, Wenzhong</creatorcontrib><creatorcontrib>Chen, Yizhong</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Corrosion Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>ANTE: Abstracts in New Technology & Engineering</collection><collection>Engineering Research Database</collection><collection>Materials Research Database</collection><jtitle>Corrosion science</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Xu, Bin</au><au>Liu, Ying</au><au>Yin, Xiaoshuang</au><au>Yang, Wenzhong</au><au>Chen, Yizhong</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Experimental and theoretical study of corrosion inhibition of 3-pyridinecarbozalde thiosemicarbazone for mild steel in hydrochloric acid</atitle><jtitle>Corrosion science</jtitle><date>2013-09-01</date><risdate>2013</risdate><volume>74</volume><spage>206</spage><epage>213</epage><pages>206-213</pages><issn>0010-938X</issn><eissn>1879-0496</eissn><coden>CRRSAA</coden><abstract>•The studied inhibitor contains both pyridine ring and Schiff base structure.•3-PCT shows excellent inhibitive properties for mild steel in HCl solution.•The results of MD simulation reveal that 3-PCT molecules adsorb on the iron surface with a nearby flat orientation.•The PZC measurement showed the mild steel surface was positively charged in HCl.
The corrosion inhibition effect of 3-pyridinecarboxaldehyde thiosemicarbazone (3-PCT) on mild steel was studied in 1M HCl solution by means of weight loss, potentiodynamic polarization and electrochemical impedance spectroscopy (EIS) measurements. The surface morphology of mild steel was examined with scanning electron microscopy (SEM) and the mechanism of inhibition was determined by the potential of zero charge (PZC) measurement at the metal–solution interface. Then molecular dynamics simulations were also executed for 3-PCT. The results show that 3-PCT is a good corrosion inhibitor, retarding both cathodic and anodic reactions in hydrochloric acid. The adsorption of 3-PCT on the mild steel surface obeys the Langmuir isotherm, and the thermodynamic parameters (Kads,Ea,ΔGads0) were also determined and discussed.</abstract><cop>Kidlington</cop><pub>Elsevier Ltd</pub><doi>10.1016/j.corsci.2013.04.044</doi><tpages>8</tpages></addata></record> |
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| subjects | A. Mild steel Applied sciences B. EIS B. Weight loss C. Acid corrosion Carbon steels Corrosion Corrosion environments Corrosion inhibitors Corrosion prevention Corrosion tests Electrochemical impedance spectroscopy Exact sciences and technology Hydrochloric acid Inhibition Metals. Metallurgy Surface chemistry |
| title | Experimental and theoretical study of corrosion inhibition of 3-pyridinecarbozalde thiosemicarbazone for mild steel in hydrochloric acid |
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