2021. Corrigendum to "Effect of benzophenone on the physicochemical properties of N-CNTs synthesized from 1-ferrocenylmethyl (2-methylimidazole) catalyst" [J. Nig. Soc. Phys. Sci. 2 (2020) 205-217]. Journal of the Nigerian Society of Physical Sciences. 3, 2 (May 2021), 131–131. DOI:https://doi.org/10.46481/jnsps.2021.213.