Mukhamediyev, M.G., Usmanova, H.H. and Bekchanov, D.J. 2025. Comparative study of adsorption of Cu(II) ions from aqueous solutions by industrial ion exchangers and ion exchange systems based on them. Sorbtsionnye i Khromatograficheskie Protsessy. 25, 4 (Nov. 2025), 540-547. DOI:https://doi.org/10.17308/sorpchrom.2025.25/13281.