Nitrogen, Nitrite Colour Disc Test Kit, Model NI-6
Utilising the simple colour disc method/ferrous sulfate, this kit measures Nitrogen, Nitrite as NO2- and contains 100 tests. Range (mg/L): 0-8/ 0-1600.
Benefits
Simple, low-cost colour disc method is the most accurate visual test kit method
Kit contains all required reagents and apparatus in a rugged carrying case for analysis in the field