Spectrophotometric Determination of Sodium Salicylate in Pharmaceutical Preparations by Coupling with Diazotized Paraamino Benzoic Acid. Global Journal of Science Frontier Research, [S. l.], v. 16, n. B3, p. 47–53, 2016. Disponível em: https://journalofscience.org/index.php/GJSFR/article/view/1808. Acesso em: 2 apr. 2026.