How to use Nitrite Test kit?
- Ensure the test tube is clean.
- Take a 5 ml sample of water into the test tube.
- Add 5 drops of the Nitrite reagent.
- Replace the test tube cap and shake thoroughly.
- Wait 2 minutes, then compare the colour of the sample to the colour scale provided. Zero nitrite is represented by a colourless sample. Any hint of pink in the sample indicates the presence of nitrite in the water. Any colour forming after the two minutes should be ignored.
This test kit reports concentration in terms of nitrogen (NO2-N) to be compatible with reported safe concentrations as they apply to fish and plants. If you are interested in knowing the ionic concentration of the measured parameter, multiply your result by 3.29 (NO2-N).
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