List of Articles Congo red Open Access Article Abstract Page Full-Text 1 - Preparation and Characterization of Activated Carbon derived from olive stone as adsorbent for Congo Red S. Javad Hosseini H. Aghaie M. Ghaedi Open Access Article Abstract Page Full-Text 2 - Adsorption properties of nickel oxide nanoparticles for removal of Congo Red from aqueous solution Foujan Falaki Ali Fakhri