MOHAMMED, H. J.; HASSAN, D.S.; HMOOD, A. Spectrophotometric Determination of Nirite By The Diazotization Coupling With Aniline and 4,6 Dihydroxy-2 Mercaptopyrimidine. Ibn AL-Haitham Journal For Pure and Applied Sciences, Baghdad, Iraq., v. 21, n. 2, p. 102–109E, 2017. Disponível em: https://jih.uobaghdad.edu.iq/index.php/j/article/view/1391. Acesso em: 14 mar. 2025.