Najem, W. M. (2026). A Vanillin-Derived Chloro-Benzimidazole Schiff Base as a Chromogenic Reagent for Spectrophotometric Determination of Pb (II) and Ciprofloxacin. International Journal of Pharmacognosy and Chemistry, 7(2), 46-53. https://doi.org/10.46796/ijpc.v7i2.947