Flow Injection- Spectrophotometric Determination of Salbutamol Sulphate and Pyridoxine Hydrochloride Using 2,4-Dinitrophenylhydrazine. Iraqi Journal of Science. 2023;54(1):6-16. Accessed December 26, 2024. https://ijs.uobaghdad.edu.iq/index.php/eijs/article/view/12013