Green Synthesis of a Novel Cationic Surfactant Based on an Azo Schiff Compound for Use as a Carbon Steel Anticorrosion Agent.
| Autor: | Alanazi KD; Department of Chemistry, College of Science, University of Ha'il, 81442 Hail, Saudi Arabia., Alshammari BH; Department of Chemistry, College of Science, University of Ha'il, 81442 Hail, Saudi Arabia., Alanazi TYA; Department of Chemistry, College of Science, University of Ha'il, 81442 Hail, Saudi Arabia., Alshammari OA; Department of Chemistry, College of Science, University of Ha'il, 81442 Hail, Saudi Arabia., Ashmawy AM; Chemistry Department, Faculty of Science (boys), Al-Azhar University, 11884 Nasr City, Egypt., Aljohani MM; Department of Chemistry, College of Science, Tabuk University, 71491 Tabuk, Saudi Arabia., Abdel Hameed R; Chemistry Department, Faculty of Science (boys), Al-Azhar University, 11884 Nasr City, Egypt.; Basic Science Department, Preparatory Year, University of Ha'il, 1560 Hail, KSA., Deyab MA; Egyptian Petroleum Research Institute (EPRI), Nasr City 11251, Cairo, Egypt. |
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| Jazyk: | angličtina |
| Zdroj: | ACS omega [ACS Omega] 2023 Dec 14; Vol. 8 (51), pp. 49009-49016. Date of Electronic Publication: 2023 Dec 14 (Print Publication: 2023). |
| DOI: | 10.1021/acsomega.3c06710 |
| Abstrakt: | The new cationic surfactant-based azo Schiff compound (azoS8) was prepared, characterized, and investigated as a corrosion inhibitor for carbon steel in 1 M HCl by means of electrochemical approaches in this study. The chemical structure of azoS8 has been verified by the FTIR and 1 H NMR spectra. According to the electrochemical system, the examined surfactant is a mixed-type inhibitor. The surfactant azoS8 was an adequate corrosion inhibitor, as evidenced by the reduction in corrosion current densities and the rise in coverage of the surface identified with an evolving inhibitor amount. When the surfactant azoS8 had been added, the capacitive cycle loops on the Nyquist plots were broader, and the dimension of these loops expanded with surfactant azoS8 concentration. This implies that the amount of surfactant azoS8 led to an improvement in the impedance of the steel electrode. The surfactant azoS8 adsorption system is well suited to the Langmuir adsorption isotherm. It was discovered that azoS8 had a Gibbs free energy change value of -27.72 kJ mol -1 , which is a mixed adsorption mechanism containing both physisorption and chemisorption. Competing Interests: The authors declare no competing financial interest. (© 2023 The Authors. Published by American Chemical Society.) |
| Databáze: | MEDLINE |
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