Ribeiro BG, David PR de BS, Daltro TPP, Charamba LVC, Andrade MF de, Napoleão DC. Performance verification of methodology for determination of nitrate ion in drinking water samples. REGET [Internet]. 2018 Aug. 23 [cited 2024 Jul. 11];22:e2. Available from: https://periodicos.ufsm.br/reget/article/view/31383