SORPTION PRECONCENTRATION AND DETERMINATION OF ANTIMONY AND TELLURIUM ON MODIFIED SILICA GEL: DOI: https://doi.org/10.17721/1728-2209.2019.1(56).3. Вісник: Хімія. 2019;56(1):14-18. Accessed February 14, 2026. https://chemistry.bulletin.knu.ua/article/view/8649