Iron-ligand complex, an efficient inhibitor of steel corrosion in hydrochloric acid media

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dc.authoridKAOUTAR, ZAIDI/0000-0002-2464-3081
dc.contributor.authorZaidi, Kaoutar
dc.contributor.authorBouroumane, Nadia
dc.contributor.authorMerimi, Chaimae
dc.contributor.authorAouiniti, Abdelouahad
dc.contributor.authorTouzani, Rachid
dc.contributor.authorOussaid, Adyl
dc.contributor.authorHammouti, Belkheir
dc.date.accessioned2024-10-26T18:10:54Z
dc.date.available2024-10-26T18:10:54Z
dc.date.issued2023
dc.departmentSivas Cumhuriyet Üniversitesi
dc.description.abstractThe inhibitor effect of FeSO4(Hdpz) complex prepared from iron (II) sulfate7-hydrate and 1-Hydroxymethyl-3,5-dimethylpyrazole on corrosion of mild steel in 1 M hydrochloric acid (HCl) at 308 K was investigated using measurements of weight loss and electrochemical techniques (impedance spec-troscopy and polarization curves). Inhibition efficiency depends on the concentration of complex [FeSO4 (Hdpz)] and its inhibition efficiency increases with an increase in inhibitor concentration to 98% for 10 -3 M. Polarization curves show that the complex FeSO4(Hdpz) basically functions as a mixed inhibitor. Measurements of electrochemical impedance spectroscopy (EIS) indicate an increase in transfer resistance at the concentration of the inhibitor. In the temperature range of 308 to 348 K, the temperature effect on the corrosion behavior of steel in 1 M HCl without and with the inhibitor at 10 -3 M was studied and the corresponding activation energy was calculated. Adsorption of FeSO4(Hdpz) complex on the mild steel surface in 1 M HCl follows the Langmuir isotherm model. The quantum approach and monte Carlo simulation was confirmed the reactivity of the studied compound towards the corrosion process. (c) 2023 Published by Elsevier B.V.
dc.description.sponsorshipKing Saud University, Riyadh, Saudi Arabia [RSP2023R100]
dc.description.sponsorshipThis work was supported by Researchers Supporting Project Number (RSP2023R100) , King Saud University, Riyadh, Saudi Arabia .
dc.identifier.doi10.1016/j.molstruc.2023.135434
dc.identifier.issn0022-2860
dc.identifier.issn1872-8014
dc.identifier.scopus2-s2.0-85151456731
dc.identifier.scopusqualityQ2
dc.identifier.urihttps://doi.org/10.1016/j.molstruc.2023.135434
dc.identifier.urihttps://hdl.handle.net/20.500.12418/30438
dc.identifier.volume1284
dc.identifier.wosWOS:000973657600001
dc.identifier.wosqualityQ2
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherElsevier
dc.relation.ispartofJournal of Molecular Structure
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.subjectCorrosion
dc.subjectMild steel
dc.subjectWeight loss
dc.subjectElectrochemical technique
dc.subjectMixed inhibitor
dc.subjectPyrazole
dc.titleIron-ligand complex, an efficient inhibitor of steel corrosion in hydrochloric acid media
dc.typeArticle

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