Omoruyi, U. and Unuigbe, C. A. (2026) “Investigating the effect of acid concentration on the surface and structural properties of HCl-modified natural clay”, ChemClass Journal, 10(2), pp. 41–49. Available at: https://www.ajol.info/index.php/ccj/article/view/334283 (Accessed: 24 October 2026).