Removal of Iron (Iii) Ion from Aqueous Solution using Polyacrylic Acid Hydorgel Beads as Adsorbent. Iraqi Journal of Science, [S. l.], v. 54, n. 4, p. 775–781, 2024. Disponível em: https://www.ijs.uobaghdad.edu.iq/index.php/eijs/article/view/12327.. Acesso em: 3 aug. 2025.