Study on Nitrite Nitrogen Based on Ultraviolet Visible Absorption Spectrometry. Academic Journal of Science and Technology, [S. l.], v. 5, n. 3, p. 85–89, 2023. DOI: 10.54097/ajst.v5i3.7782. Disponível em: https://drpress.org/ojs/index.php/ajst/article/view/7782.. Acesso em: 16 jul. 2024.