Vanillin as eco-friendly corrosion inhibitor for aluminum immersed in 0.5 M H2SO4
Abstract The possibility of using Vanillin as an eco-friendly corrosion inhibitor for Al in 0.5 M H2SO4 has been evaluated, examining concentrations ranging from 0 to 10 mM at 25, 40, and 60 °C. Results indicate that Vanillin is a mixed corrosion inhibitor. Its inhibitory effect can be attributed to...
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| Format: | Article |
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Nature Portfolio
2025-08-01
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| Series: | Scientific Reports |
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| Online Access: | https://doi.org/10.1038/s41598-025-15027-3 |
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| author | América María Ramírez-Arteaga Martha Patricia Hernández-Valencia Rene Guardián-Tapia Ana Karen Gálvez-Larios José Gonzalo González-Rodríguez Roy López-Sesenes |
| author_facet | América María Ramírez-Arteaga Martha Patricia Hernández-Valencia Rene Guardián-Tapia Ana Karen Gálvez-Larios José Gonzalo González-Rodríguez Roy López-Sesenes |
| author_sort | América María Ramírez-Arteaga |
| collection | DOAJ |
| description | Abstract The possibility of using Vanillin as an eco-friendly corrosion inhibitor for Al in 0.5 M H2SO4 has been evaluated, examining concentrations ranging from 0 to 10 mM at 25, 40, and 60 °C. Results indicate that Vanillin is a mixed corrosion inhibitor. Its inhibitory effect can be attributed to aldehyde functional groups forming a protective layer by reacting with Al3+ ions, which are chemisorbed onto the metal’s surface, as was demonstrated via SEM analysis of the metal surface. The I corr and R p values estimated from the electrochemical characterization tend to improve in the presence of Vanillin. However, inhibition efficiency is affected by temperature, resulting in lower values. Also, the weight loss analyses demonstrated that Vanillin is desorbed over time and temperature. The SEM micrographs taken after weight loss show an aluminum surface with several pits in the absence of inhibitor. Otherwise, EDS analyses show the presence of carbon, confirming the Vanillin adsorption on the metal surface. |
| format | Article |
| id | doaj-art-bb4524be2dce47898d230d133e45e5b5 |
| institution | Kabale University |
| issn | 2045-2322 |
| language | English |
| publishDate | 2025-08-01 |
| publisher | Nature Portfolio |
| record_format | Article |
| series | Scientific Reports |
| spelling | doaj-art-bb4524be2dce47898d230d133e45e5b52025-08-24T11:26:12ZengNature PortfolioScientific Reports2045-23222025-08-0115111710.1038/s41598-025-15027-3Vanillin as eco-friendly corrosion inhibitor for aluminum immersed in 0.5 M H2SO4América María Ramírez-Arteaga0Martha Patricia Hernández-Valencia1Rene Guardián-Tapia2Ana Karen Gálvez-Larios3José Gonzalo González-Rodríguez4Roy López-Sesenes5FCQeI, Universidad Autónoma del Estado de MorelosFCQeI, Universidad Autónoma del Estado de MorelosCIICAp-IICBA, Universidad Autónoma del Estado de MorelosCIICAp-IICBA, Universidad Autónoma del Estado de MorelosCIICAp-IICBA, Universidad Autónoma del Estado de MorelosFCQeI, Universidad Autónoma del Estado de MorelosAbstract The possibility of using Vanillin as an eco-friendly corrosion inhibitor for Al in 0.5 M H2SO4 has been evaluated, examining concentrations ranging from 0 to 10 mM at 25, 40, and 60 °C. Results indicate that Vanillin is a mixed corrosion inhibitor. Its inhibitory effect can be attributed to aldehyde functional groups forming a protective layer by reacting with Al3+ ions, which are chemisorbed onto the metal’s surface, as was demonstrated via SEM analysis of the metal surface. The I corr and R p values estimated from the electrochemical characterization tend to improve in the presence of Vanillin. However, inhibition efficiency is affected by temperature, resulting in lower values. Also, the weight loss analyses demonstrated that Vanillin is desorbed over time and temperature. The SEM micrographs taken after weight loss show an aluminum surface with several pits in the absence of inhibitor. Otherwise, EDS analyses show the presence of carbon, confirming the Vanillin adsorption on the metal surface.https://doi.org/10.1038/s41598-025-15027-3Corrosion inhibitorsVanillinAluminum |
| spellingShingle | América María Ramírez-Arteaga Martha Patricia Hernández-Valencia Rene Guardián-Tapia Ana Karen Gálvez-Larios José Gonzalo González-Rodríguez Roy López-Sesenes Vanillin as eco-friendly corrosion inhibitor for aluminum immersed in 0.5 M H2SO4 Scientific Reports Corrosion inhibitors Vanillin Aluminum |
| title | Vanillin as eco-friendly corrosion inhibitor for aluminum immersed in 0.5 M H2SO4 |
| title_full | Vanillin as eco-friendly corrosion inhibitor for aluminum immersed in 0.5 M H2SO4 |
| title_fullStr | Vanillin as eco-friendly corrosion inhibitor for aluminum immersed in 0.5 M H2SO4 |
| title_full_unstemmed | Vanillin as eco-friendly corrosion inhibitor for aluminum immersed in 0.5 M H2SO4 |
| title_short | Vanillin as eco-friendly corrosion inhibitor for aluminum immersed in 0.5 M H2SO4 |
| title_sort | vanillin as eco friendly corrosion inhibitor for aluminum immersed in 0 5 m h2so4 |
| topic | Corrosion inhibitors Vanillin Aluminum |
| url | https://doi.org/10.1038/s41598-025-15027-3 |
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