Saeed R, Uddin F, Summer S. Adsorption of Methylene Blue on Activated Charcoal, Silica Gel and Silica. ajc [Internet]. 2016 Jan. 28 [cited 2024 Jul. 5];17(2):737-42. Available from: https://asianpubs.org/index.php/ajchem/article/view/14266