Edris J, Gupta N, Zereffa E. Synthesis of Silica Supported Iron Oxide Nanoparticles for Hexavalent Chromium Removal from Aqueous Solutions. EJSSD [Internet]. 19Oct.2019 [cited 25Apr.2024];6(2):81 -93. Available from: https://ejssd.astu.edu.et/index.php/EJSSD/article/view/109