Two Derivative Spectrophotometric Methods for the Simultaneous Determination of 4-AminoAntipyrine in Presence of Its Acidic Products. Ibn AL-Haitham Journal For Pure and Applied Sciences, [S. l.], v. 31, n. 1, p. 114–123, 2018. DOI: 10.30526/31.1.1859. Disponível em: https://jih.uobaghdad.edu.iq/index.php/j/article/view/1859.. Acesso em: 6 may. 2024.