Innovation in Chemistry teaching: Optimized method for saponification index. Research, Society and Development, [S. l.], v. 14, n. 4, p. e3914448642, 2025. DOI: 10.33448/rsd-v14i4.48642. Disponível em: https://ojs34.rsdjournal.org/index.php/rsd/article/view/48642. Acesso em: 28 jun. 2025.