Bassima A. Abed Al-Hadi. Spectrophotometric determination of sulphite and thiamin hydrochloride using proton transfer reaction-application to water sample and pharmaceutical formation. Tikrit J. Pure Sci. [Internet]. 2019 Mar. 18 [cited 2026 Mar. 28];24(1):74-81. Available from: https://tjpsj.org/index.php/tjps/article/view/333