Standard test nitrite Ordering information


NANOCOLOR® Nitrite
Photometric determination of nitrite
	Photometric determination with sulphanilic acid and 1-naphthylamine. In acidic solution sulphanilic acid is diazotised with nitrite. The diazonium salt is coupled with 1-naphthylamine to form a red dye.
Data and ordering information
Cat. No.	918 67
Type	standard test 1-67
Range	10 mm cuvette: 0.01 - 0.30 mg/l NO2-N / 0.10 - 1.00 mg/l NO2- 50 mm cuvette: 0.002 - 0.100 NO2-N / 0.005 - 0.250 NO2-
Sufficient for	220 determinations
Shelf life	at least 18 months
Sea water suitability	yes