ADEYEMI, David; OJIGBO, Solomon; JOHNSON, Oluwatosin; AYOOLA, Gloria. Pre-concentration technique of zinc and copper in water employing dithizone functionalized strong anionic exchange SPE cartridges. West African Journal of Pharmacy, [S. l.], v. 28, n. 2, p. 26–34, 2023. DOI: 10.60787/wapcp-28-2-150. Disponível em: https://wapcpjournal.org.ng/index.php/home/article/view/150.. Acesso em: 17 sep. 2024.