Monitoring nitrite levels is essential in industries such as water treatment, environmental monitoring, and industrial processing. The K-7020B Nitrite HR CHEMets® Test Kit provides an accurate and reliable way to measure nitrite concentrations from 0-250 ppm, making it an excellent solution for high-range nitrite testing.
Why Choose the K-7020B Nitrite Test Kit?
The K-7020B replaces the discontinued VACUettes product line and overlaps with the K-7004B test kit, making it the go-to option for high-range nitrite testing. The HR CHEMets® system is designed for easy, on-the-go testing while maintaining laboratory-grade accuracy.
What’s Included?
The K-7020B Nitrite Test Kit comes in a durable plastic case and contains everything needed to perform 30 tests (except for distilled water):
- 30 CHEMets® Ampoules
- Color Comparator for easy result interpretation
- 25 mL Sample Cup
- Stabilizer Solution (S-1404)
- Catalyzer Solution (S-1405 – Green)
- Activator Solution (S-1406 – Blue)
- 3 mL Syringe
- MiniPet Pipettor
- Pack of Pipettor Tips
- Instruction Manual
How the K-7020B Test Kit Works
This test kit uses the Azo Dye Formation Method to detect nitrite levels. In an acidic solution, nitrite reacts with a primary aromatic amine, then couples with another organic molecule to form a highly colored azo dye. The resulting pink-orange color intensity is proportional to the nitrite concentration in the sample.
Step-by-Step Testing Procedure
- Attach a pipette tip to the MiniPet® pipettor and draw a sample.
- Dispense the sample into the empty sample cup.
- Dilute to 25 mL with distilled water.
- Add the following solutions in order:
- 5 drops of S-1404 Stabilizer
- 5 drops of S-1405 Catalyzer (Green)
- 5 drops of S-1406 Activator (Blue)
- Immediately snap the tip of the CHEMets® ampoule inside the sample cup. The ampoule will fill, leaving a bubble for mixing.
- Invert the ampoule several times to mix, then dry it.
- Wait 5 minutes before matching the color of the ampoule to the color comparator for a result.
For higher concentrations (0-10,000 ppm), pre-dilution steps are required using the provided syringe and distilled water.
Safety Information
This product contains ethylene glycol, a chemical known to the State of California to cause birth defects or other reproductive harm. Use with caution and follow all safety guidelines. For more details, visit www.P65Warnings.ca.gov.
Conclusion
The K-7020B Nitrite HR CHEMets® Test Kit provides a quick, accurate, and portable solution for measuring high-range nitrite levels. With its easy-to-use design, precise colorimetric method, and comprehensive testing components, this kit is ideal for environmental monitoring, water quality assessments, and industrial applications.
For more information, to purchase a kit, or to find replacement ampoules, visit our product page today!
You can find this product here: https://www.gas-sensing.com/k-7020b.html



