MN VISOCOLOR® ECO test kit nitrite, 0,02 – 0,5 mg/l NO2–
Description
VISOCOLOR® ECO Nitrite
• Colorimetric determination of nitrite
• In acidic solution sulphanilic acid or sulphanilamide are diazotised with nitrite. • The diazonium salt is then coupled with an aromatic amine, forming an intensely coloured azo dye.
• Organic colloids, chlorine, humic acids and coloured heavy metal ions interfere.
Type: colorimetric test kit
Range: 0 · 0.02 · 0.03 · 0.05 · 0.07 · 0.1 · 0.2 ·
0.3 · 0.5 mg/l NO2-
Sufficient for: 120 determinations
Shelf life at least: 1.5 years
Sea water suitability: yes
Detectable with PF-12: yes
• In surface waters nitrite ions are generally present in low concentrations. • Their presence in ground water is less common. • In waste waters nitrite frequently occurs, even in fairly high concentrations.
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