UV –Visible Spectroscopy Method Development and Its Validation for the Analysis of Marketed Hair Dyes for Amine Content. Asian Journal of Applied Sciences, [S. l.], v. 10, n. 4, 2022. DOI: 10.24203/ajas.v10i4.7026. Disponível em: https://ajouronline.com/index.php/AJAS/article/view/7026. Acesso em: 27 dec. 2025.