Guar Gum Hydrogel as a Biosorbent for Cd(II) and Cu(II) Ions: Kinetic, Equilibrium, and Thermodynamic Insights. - Mubark, Amal E.; Zaki, Elsayed G.; Hakem, Habiba A.; Abdel‐Rahman, Adel A.‐H.; Elsaeed, Shimaa M.; Elkelish, Amr (ChemistrySelect, 2025)