LIU, Ying-Hong; CAI, Qiao; MA, Wei-Xing. Extraction and Determination of Nitrite using Ethanol-(NH4)2SO4 Aqueous Two-Phase System. Asian Journal of Chemistry, [S. l.], v. 23, n. 9, p. 4122–4124, 2011. Disponível em: https://asianpubs.org/index.php/ajchem/article/view/10811. Acesso em: 23 nov. 2024.