EXTRACTION OF TRACE METALS FROM SOLUTIONS USING SORBENT SEQUENTIALLY MODIFIED BY POLYHEXAMETHYLENE GUANIDINE AND TRILON B. Вісник: Хімія [Internet]. 2015 Nov. 10 [cited 2026 Feb. 14];51(1):19-23. Available from: https://chemistry.bulletin.knu.ua/article/view/8516