Influence of Acid Activation of a Mixture of Illite, Koalinite, and Chlorite Clays on the Adsorption of Methyl Violet 6B Dye. Iraqi Journal of Science [Internet]. 2021 Jul. 1 [cited 2024 Jun. 29];62(6):1761-78. Available from: https://ijs.uobaghdad.edu.iq/index.php/eijs/article/view/3129