ADSORPTION PROPERTIES OF SILICAS WITH COVALENTLY ATTACHED COMPLEXING GROUPS TOWARDS Zn(ІІ), Hg(ІІ), Fe(ІІІ), Cu(ІІ), Cd(ІІ) AND Pb(ІІ) IONS: UDC 543.43:546.45. (2010). Bulletin of the Taras Shevchenko National University of Kyiv. Chemistry, 48(1), 15-18. https://chemistry.bulletin.knu.ua/article/view/8306