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| NANOCOLOR® Nitrite |
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| Photometric determination of nitrite |
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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.
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| 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 |
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