Abas Omran khalida, Omran Lafta S. Synthesis Characterization and Analytical Applications of New Chelating Resin of Formaldehyde-condensed Phenolic Schiff base. IHJPAS [Internet]. 2018 Sep. 12 [cited 2025 Mar. 29];31(2):97-114. Available from: https://jih.uobaghdad.edu.iq/index.php/j/article/view/1961