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Direct linkFilgueiras, Matheus Fernandes; de Jesus, Paulo Cesar; Borges, Endler Marcel – Journal of Chemical Education, 2021
The Griess assay is widely used by regulation agencies as an official method for nitrite quantification in water and food samples. In Brazil, the official method, which has been used to determine nitrite in food, was described by Instituto Adolfo Lutz (283/IV) in 1984. It uses 8 mL of reactants and provides 50 mL (reactants plus sample) of waste…
Descriptors: Science Instruction, Water, Food, Science Experiments
