SYNTHESIS AND SORPTION PROPERTIES TOWARDS TOXIC METAL IONSOF COMPOSITES BASED ON SILICA GEL AND ADSORPED 4-VINYLPYRIDINE AND TERT-BUTYL METHACRYLATE COPOLYMERS: DOI: https://doi.org/10.17721/1728-2209.2023.1(58).3. (2023). Bulletin of the Taras Shevchenko National University of Kyiv. Chemistry, 58(1), 18-21. https://chemistry.bulletin.knu.ua/article/view/1592