Evaluation of Poly Acrylic Acid(PAA) Hydrogel Beads as Adsorbent for The Removal of Lead(II)ion from Water. ANJS [Internet]. 2013 Sep. 1 [cited 2024 May 5];16(3):30-9. Available from: https://anjs.edu.iq/index.php/anjs/article/view/573