Flow Injection- Spectrophotometric Determination of Salbutamol Sulphate and Pyridoxine Hydrochloride Using 2,4-Dinitrophenylhydrazine. Iraqi Journal of Science, [S. l.], v. 54, n. 1, p. 6–16, 2023. Disponível em: https://ijs.uobaghdad.edu.iq/index.php/eijs/article/view/12013.. Acesso em: 19 jun. 2025.