BASSIMA A. ABED AL-HADI. Spectrophotometric determination of sulphite and thiamin hydrochloride using proton transfer reaction-application to water sample and pharmaceutical formation. Tikrit Journal of Pure Science, [S. l.], v. 24, n. 1, p. 74–81, 2019. DOI: 10.25130/tjps.v24i1.333. Disponível em: https://tjpsj.org/index.php/tjps/article/view/333. Acesso em: 17 jun. 2025.