This work proposes a new method for nitrite determination in natural waters and foodstuff samples by diffuse reflectance spectroscopy combined with spot tests. In this method, the reaction occurs on the surface of a filter paper. Firstly 30 μL of the cromogenic reagent solution were added to the paper, followed by 30 μL of sample solution. The inte...
This work proposes a new method for nitrite determination in natural waters and foodstuff samples by diffuse reflectance spectroscopy combined with spot tests. In this method, the reaction occurs on the surface of a filter paper. Firstly 30 μL of the cromogenic reagent solution were added to the paper, followed by 30 μL of sample solution. The inte...
This work proposes a new method for nitrite determination in natural waters and foodstuff samples by diffuse reflectance spectroscopy combined with spot tests. In this method, the reaction occurs on the surface of a filter paper. Firstly 30 μL of the cromogenic reagent solution were added to the paper, followed by 30 μL of sample solution. The inte...
This work proposes a new method for nitrite determination in natural waters and foodstuff samples by diffuse reflectance spectroscopy combined with spot tests. In this method, the reaction occurs on the surface of a filter paper. Firstly 30 μL of the cromogenic reagent solution were added to the paper, followed by 30 μL of sample solution. The inte...
O presente trabalho propõe um novo método para análise de nitrito em amostras de águas naturais e alimentos, por espectroscopia de reflectância difusa combinada com spot test. Neste método, a reação de interesse é procedida em papel de filtro, por meio da adição de 30 μL da solução do reagente cromogênico, seguida da adição de 30 μL da solução de a...
