Farzadkia, Mehdi, Mitra Gholami, Majid Kermani, and Kamyar Yaghmaeian. “Biosorption of Hexavalent Chromium from Aqueous Solutions by Chemically Modified Brown Algae of Sargassum Sp. And Dried Activated Sludge”. Asian Journal of Chemistry 24, no. 11 (June 30, 2012): 5257–5263. Accessed July 22, 2024. https://asianpubs.org/index.php/ajchem/article/view/9770.