Ayaa Ahmed Shihab and Layth S. Jasim 2025. Eco-friendly hydrogel based on carboxymethylcellulose poly (acrylic acid-co-hydroxyethyl acrylamide) (CMC-AAC-co-HEAM) for sustainable removal of Pb (II) ions from contaminated water . Applied Chemical Engineering. 8, 3 (Sep. 2025), ACE-5750. DOI:https://doi.org/10.59429/ace.v8i3.5750.