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.
This journal is © The Royal Society of Chemistry.