EL-AJAILY, M.M.; EL-SAIED, F.M. Synthesis and Characterization of Urea Schiff Base Chelates of Cr(III), Cr(VI), TiO(IV) and Pb(II). Asian Journal of Chemistry, [S. l.], v. 19, n. 6, p. 4433–4437, 2010. Disponível em: https://asianpubs.org/index.php/ajchem/article/view/19933. Acesso em: 5 nov. 2024.