Chemiluminometric- CFIA for the Determination of Cobalt (ll) Ion in Commercial Cobalt-Molybdenum Catalyst (K F124-3E) Used in Desulphurization Processes of Petroleum Products via Multi Gel Beads Reactor. (2023). Iraqi Journal of Science, 56(1A), 38-52. https://www.ijs.uobaghdad.edu.iq/index.php/eijs/article/view/10594