Hydroxyapatite nanoparticle-modified apple pomace as a biosorbent for copper and iron removal: Isotherm and kinetic analysis. Indian Journal of Chemical Technology (IJCT), [S. l.], v. 33, n. 1, p. 71–79, 2026. DOI: 10.56042/ijct.v33i1.19283. Disponível em: https://or.niscpr.res.in/index.php/IJCT/article/view/19283. Acesso em: 5 jun. 2026.