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| NANOCOLOR® Ammonium |
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| Photometric determination of ammonium |
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Photometric determination as indophenol. At a pH value of about 12.6 ammonium reacts with hypochlorite and salicylate in the presence of sodium nitroprussiate as catalyst to form a blue indophenol.
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| Data and ordering information |
| Cat. No. |
918 05 |
| Type |
standard test 1-05 |
| Range |
10 mm cuvette:
0.1 - 2.5 mg/l NH4+ / 0.1 - 2.0 mg/l NH4-N
50 mm cuvette:
0.01 - 0.50 mg/l NH4+ / 0.01 - 0.40mg/l NH4-N
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| Sufficient for |
100 determinations |
| Shelf life |
at least 1 year at 15 – 25 °C |
| Sea water suitability |
no |
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