LabChem® SULFANILAMIDE/N(NAPHTHYL) Reagent

LabChem® SULFANILAMIDE/N(NAPHTHYL) REAGENT is a combined reagent pairing sulfanilamide with N-(1-naphthyl)-ethylenediamine dihydrochloride (NED), the two coupling reagents required for the complete classic Griess reaction used to colorimetrically determine nitrite. Combining both components in a single pre-mixed reagent saves preparation time and ensures a consistent, accurate addition every time. Its pre-mixed formulation reduces batch-to-batch variability.

It is widely used as the combined color-developing reagent in the colorimetric determination of nitrite in water and wastewater testing. Its consistent, ready-mixed formulation supports reproducible results across testing sessions. This reagent should be handled, stored, and used according to established laboratory safety procedures and the manufacturer's instructions.

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