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, [S. l.], v. 64, n. 11, p. 5462–5475, 2023. DOI: 10.24996/ijs.2023.64.11.1. Disponível em: https://ijs.uobaghdad.edu.iq/index.php/eijs/article/view/7758.. Acesso em: 28 apr. 2025.