“MODIFIED ELECTRODE FOR NO3- DETERMINATION IN SALINE WATERS BY VOLTAMMETRY METHOD: DOI: https://doi.org/10.17721/1728-2209.2019.1(56).2” (2019) Bulletin of the Taras Shevchenko National University of Kyiv. Chemistry, 56(1), pp. 9–14. Available at: https://chemistry.bulletin.knu.ua/article/view/8398 (Accessed: 14 February 2026).