Evaluation of Poly Acrylic Acid(PAA) Hydrogel Beads as Adsorbent for The Removal of Lead(II)ion from Water. Al-Nahrain Journal of Science, [S. l.], v. 16, n. 3, p. 30–39, 2013. Disponível em: https://anjs.edu.iq/index.php/anjs/article/view/573.. Acesso em: 5 may. 2024.