ชุดทดสอบไนไตรท์ Standard Test (0.01 – 0.30 mg/l NO2-N / 0.10 – 1.00 mg/l NO2-)

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