Mudarisova R. K., Kukovinets O. S., Sagitova A. F. STUDY OF THE MECHANISM OF SORPTION OF Cu2+, Co2+, AND Mn2+ IONS ON A MODIFIED NATURAL POLYMER – PECTIN // Chemistry of plant raw material, 2024, № 1. P. 111-123 DOI: 10.14258/jcprm.20240112308. URL: https://journal.asu.ru/cw/article/view/12308.