MODIFIED ELECTRODE FOR NO3- DETERMINATION IN SALINE WATERS BY VOLTAMMETRY METHOD: DOI: https://doi.org/10.17721/1728-2209.2019.1(56).2. Bulletin of Taras Shevchenko National University of Kyiv. Chemistry, [S. l.], v. 56, n. 1, p. 9–14, 2019. Disponível em: https://chemistry.bulletin.knu.ua/en/article/view/8398. Acesso em: 6 oct. 2026.