Spectrophotometeric Determination of Ponceau 4R in the Several Beverages Using Mixed Micelles after Cloud Point Extraction. Al-Nahrain Journal of Science, [S. l.], v. 21, n. 1, p. 8–13, 2018. Disponível em: https://mail.anjs.edu.iq/index.php/anjs/article/view/145. Acesso em: 15 apr. 2025.