Estimation of thiamine hydrochloride and sulphite using charge transfer complex reaction: Estimation Of Thiamine Hydrochloride . Samarra Journal of Pure and Applied Science, [S. l.], v. 2, n. 3, p. 49–61, 2021. DOI: 10.54153/sjpas.2020.v2i3.51. Disponível em: https://www.sjpas.com/index.php/sjpas/article/view/51. Acesso em: 16 apr. 2026.