Expression of concern: Experimental and surface morphological studies of corrosion inhibition on carbon steel in HCl solution using some new hydrazide derivatives
Abd El-Aziz S. Fouda, Samir A. Abd El-Maksoud, Elsherbiny H. El-Sayed, Hazem A. Elbaz, Ashraf S. Abousalem

TL;DR
This paper addresses concerns about a study on using hydrazide derivatives to inhibit corrosion on carbon steel in HCl solution.
Contribution
The paper raises concerns about the validity or reliability of previously published corrosion inhibition experiments.
Findings
The paper expresses concern about the experimental and surface morphological study findings.
It questions the conclusions drawn from the use of new hydrazide derivatives as corrosion inhibitors.
Abstract
Expression of concern for ‘Experimental and surface morphological studies of corrosion inhibition on carbon steel in HCl solution using some new hydrazide derivatives’ by Abd El-Aziz S. Fouda et al., RSC Adv., 2021, 11, 13497–13512, https://doi.org/10.1039/d1ra01405f.
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Taxonomy
TopicsCorrosion Behavior and Inhibition · Concrete Corrosion and Durability
The Royal Society of Chemistry is publishing this expression of concern in order to alert readers that concerns have been raised regarding the reliability of the AFM images in Fig. 10a and b and the IR spectra in Fig. 11 and 13. An investigation is underway, and an expression of concern will continue to be associated with the article until a final outcome is reached.
Laura Fisher
19th March 2024
Executive Editor, RSC Advances
Supplementary Material
