Hussein Mubarak Mohsin & Alaa Frak Hussain 2024. Using New Azo Derivative and Its Analytical Applications for Liquid-Liquid Extraction of Cobalt (II) Ion. Current Innovations in Chemical and Materials Sciences Vol. 8. (Apr. 2024), 64–84. DOI:https://doi.org/10.9734/bpi/cicms/v8/11964F.