RASHA SAAD SABER AL TIKRITY; ASMAA AHMED MOHAMMED AL RASHIDY. Spectrophotometric determination of Folic acid (B9) by oxidative Coupling Reaction with 4-nitro-aniline. Tikrit Journal of Pure Science, [S. l.], v. 27, n. 6, p. 28–32, 2023. DOI: 10.25130/tjps.v27i6.755. Disponível em: https://tjps.tu.edu.iq/index.php/tjps/article/view/755. Acesso em: 20 may. 2024.