Removal of Cu (ll) From Aqueous Solution Using Polyacrylic Acid Hydrogel Beads as Adsorbent. Iraqi Journal of Science, [S. l.], v. 54, n. 2, p. 240–248, 2024. Disponível em: https://ijs.uobaghdad.edu.iq/index.php/eijs/article/view/12251.. Acesso em: 19 jul. 2024.