1. Place a cold 0.5 ml sample in the test tube using the plastic syringe provided and add 2 – 3 ml of nitrite free water (e.g. deionised or drinking water).
2. Add 4 drops of reagent N1; the sample will turn an orange colour.
3. Add drops of reagent N2M one at a time with mixing until the orange colour changes to pale blue. Count the number of drops used.
4. Each drop is equivalent to 200 mg/l as nitrite (NO2).
Test Kit Nitrite contents
• 1x 10 ml Test Tube
• 1x 2 ml Syringe
• 1x 30 ml N1 Indicator
• 4x 30 ml N2M Titrant
Instruction video: https://www.youtube.com/watch?v=rCSid7EigZo&t=1s
Features & Benefits
- Easy to use
- Reliable & accurate results
- Easy management & storing design
- Uniform reagent consumption
- Reagents in excepted quantities making the kit normal-post sendable