Hassoon, G. S.; Al-Bayati, Y. K. Synthesis, Characterization and Application of Calcium Ion-Imprinted Polymeric Solid-Phase Extraction and Pre-Concentration in Aqueous Solutions by Packed-Bed Columns. Iraqi Journal of Science 2023, 64 (11), 5462-5475. https://doi.org/10.24996/ijs.2023.64.11.1.