NANOCOLOR® Nitrate 250
Photometric determination of nitrate
Photometric determination with 2,6-dimethylphenol in sulphuric acid / phosphoric acid mixture.
In acidic solution nitrate ions react with 2,6- dimethylphenol to form 4-nitro-2,6-dimethylphenol, which can be evaluated photometrically.
Data and ordering information
REF 985 066
Type tube test 0-66
Range 4 – 60 mg/L NO3-N
20 – 250 mg/L NO3-
Sufficient for 20 determinations
Shelf life at least 2 years
Sea water suitability no