Azo Coupling Reaction for Spectrophotometric Determination of Sulfanilamide Using β -Naphthol as a Reagent. Iraqi Journal for Applied Science, [S. l.], v. 1, n. 2, p. 46–55, 2024. DOI: 10.69923/x09a3a81. Disponível em: https://ijas.uodiyala.edu.iq/index.php/IJAS/article/view/51.. Acesso em: 21 nov. 2024.