Ion exchange properties of some new chelating resins from cresol urea formaldehyde . University of Thi-Qar Journal of Science, [S. l.], v. 5, n. 3, p. 79–89, 2015. DOI: 10.32792/utq/utjsci/v5i3.160. Disponível em: https://jsci.utq.edu.iq/index.php/main/article/view/160.. Acesso em: 22 dec. 2024.