Νιτρώδη NO2
46,87 € με ΦΠΑ
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.
Σε απόθεμα
| Data | |
| Type | colorimetric test kit |
| Range | 0 – 0.5 mg/l NO2– |
| Sufficient for | 120 determinations |
| Shelf life | at least 1.5 years |
| Sea water suitability | yes |
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