J. KHARODAWALA, Mohammad; K. RANA, Arjun. Study on 4-Formyloxime-3-Methyl-1-(2´ ,4´ -Dinitrophenyl)-2-Pyrazolin-5-one as a Gravimetric Reagent for Co(II), Ni(II) and Cu(II) . Asian Journal of Chemistry, [S. l.], v. 15, n. 3, p. 1246–1250, 2010. Disponível em: https://asianpubs.org/index.php/ajchem/article/view/21798. Acesso em: 26 aug. 2024.