2021. 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. 62, 6 (Jul. 2021), 1761–1778. DOI:https://doi.org/10.24996/ijs.2021.62.6.2.