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Chemischer Testkit zur Bestimmung von Chlor Frei im Bereich 0.0 – 2.0 mg/L (ppm).
Packungsgröse: 50 Tests
| Messbereich | 0.0-2.0 mg/L (ppm) |
| Auflösung | 0.5 mg/L (ppm) |
| Methode |
Colorimetric DPD |
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Nitrate is reduced to nitrite in the presence of cadmium. The nitrite thus produced reacts with the reagent to yield an orange compound. The amount of color developed is proportional to the concentration of nitrate present in the aqueous sample.