Li1 D, Li1 J, Pan2 Q. Removal of Pb2+ from Aqueous Solutions by Rice Hull Adsorbent Modified with Citric Acid Anhydride. ajc [Internet]. 2014 Jan. 16 [cited 2024 Jul. 23];26(2):571-3. Available from: https://asianpubs.org/index.php/ajchem/article/view/26_3_58