PIRES, C. K.; REIS, E. L.; MAYRINK, M. I. C. B.; SPERANDIO, G. H. Comparison of spectrophotometric, potentiometric and voltammetric methodologies for the determination of nitrite and nitrate in industrial effluents and in watercourses. The Journal of Engineering and Exact Sciences, Viçosa/MG, BR, v. 10, n. 7, p. 20766, 2024. DOI: 10.18540/jcecvl10iss7pp20766. Disponível em: https://periodicos.ufv.br/jcec/article/view/20766. Acesso em: 22 dec. 2024.