KHADKA, D. B.; PACHHAI, L. Spectrophotometric Determination of Trace Amount of Nitrite in Water with p-Nitroaniline and 1-Naphthol. Journal of Institute of Science and Technology, [S. l.], v. 19, n. 2, p. 89–93, 2015. DOI: 10.3126/jist.v19i2.13859. Disponível em: https://nepjol.info/index.php/JIST/article/view/13859. Acesso em: 20 oct. 2024.