PERDUR, Nagaraj; NELLIKALAYA, Gopalakrishna Bhat; GOPALAKRISHNAYYA, Chandrashekara Kalchar. Ammonium oxalate as a masking agent for the complexometric determination of manganese(II). <b>Vietnam Journal of Chemistry</b>, <i>[S. l.]</i>, v. 53, n. 2, p. 151–155, 2015. DOI: 10.15625/0866-7144.2015-00105. Disponível em: https://vjs.ac.vn/vjchem/article/view/0866-7144.2015-00105. Acesso em: 6 dec. 2025.