HUMIC ACID ADSORBED ONTO SILICA GEL SURFACE, MODIFIED WITH A QUATERNARY AMMONIUM SALT, FOR THE ZINC REMOVAL FROM NATURAL WATERS. Bulletin of the Taras Shevchenko National University of Kyiv. Chemistry, [S. l.], v. 51, n. 1, p. 23–27, 2015. Disponível em: https://chemistry.bulletin.knu.ua/article/view/8517. Acesso em: 14 feb. 2026.