N. ABDUL KADIR, A. Spectrophotometric Determination of Vitamin B6 by Coupling with Diazotized p-Nitroaniline. Rafidain Journal of Science, [S. l.], v. 21, n. 8, p. 49–59, 2025. DOI: 10.33899/rjs.2010.36845. Disponível em: https://rjps.uomosul.edu.iq/index.php/rsci/article/view/12038. Acesso em: 13 aug. 2025.