Spectrophotometric Determination of Sulphamerazine via Diazotization and Coupling with m-Hydroxyaniline. Pakistan Journal of Analytical & Environmental Chemistry, Pakistan, v. 23, n. 1, p. 41–49, 2024. DOI: 10.21743/pjaec/2022.06.04. Disponível em: https://pjaec.pk/index.php/pjaec/article/view/17. Acesso em: 13 nov. 2025.