The adsorption behavior and inhibitive action of hydrocotyle umbellata leaf extract on corrosion of API5L L360 carbon steel in 0.5 M H

Mariem M Motawea, Nora S Al-Subaie, Ayman A O Younes, Mai M A H Shanab, Zizi E Ahmed, Rasha A Abdelhadi, Amira M Abou Zeid

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Article in BMC chemistry, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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7 authors.

Mariem M MotaweaDepartment of Chemistry, College of Science, University of Bisha, Bisha, 61922, Saudi Arabia.

Nora S Al-SubaieDepartment of Chemistry, College of Science, University of Bisha, Bisha, 61922, Saudi Arabia.

Ayman A O YounesDepartment of Chemistry, College of Science, University of Bisha, Bisha, 61922, Saudi Arabia.

Mai M A H ShanabChemistry Department, College of Science and Humanities, Prince Sattam Bin Abdulaziz University, Al-Kharj, 11942, Saudi Arabia.

Zizi E AhmedDepartment of Physical Sciences, Chemistry Division, College of Science, Kingdom of Saudi Arabia, Jazan University, P.O. Box 114, Jazan, 45142, Saudi Arabia.

Rasha A AbdelhadiDepartment of Physical Sciences, Chemistry Division, College of Science, Kingdom of Saudi Arabia, Jazan University, P.O. Box 114, Jazan, 45142, Saudi Arabia.

Amira M Abou ZeidDepartment of Physical Sciences, Chemistry Division, College of Science, Kingdom of Saudi Arabia, Jazan University, P.O. Box 114, Jazan, 45142, Saudi Arabia. dr.amirazaid201@gmail.com.

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6 · The paper itself

Abstract

In the present work, Hydrocotyle umbellata leaf extract (HUL) was used as a potential corrosion inhibitor for API 5L L360 carbon steel (L360CS) in a 0.5 M sulfuric acid medium. The study employed various techniques, including chemical and electrochemical measurements, surface morphological analyses, and computational methods such as Density Functional Theory (DFT), to investigate the adsorption behavior and corrosion inhibition efficiency of HUL on the L360CS surface in an acidic environment. Using the Weight Loss (WL) method, increasing the temperature from 25 to 45 °C at the same 180 ppm concentration resulted in efficiencies of 93.5% and 88.2%, respectively. Activation energy (E

Indexed as

Corrosion inhibitionHydrocotyle umbellataL360CSLangmuir isothermSulfuric acid

Identifiers

PMID42443971

DOI10.1186/s13065-026-01881-3

PMCPMC13440000

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