Sodium Nitrite Test Kits

1. Fill the syringe with the water to be tested to 5 ml mark.
2. Empty the 5ml syringe into the testing vial.
3. Add 6 drops of Nitrite Indicator Solution.
4. If the water turns Blue, NO nitrite is present and report zero.
5. If the water turns Red, continue the test.
6. Add Ceric Sulfate Titrating Solution, drop by drop, until the solution turns Blue or a Blue/Green for 15 seconds.
7. The NaNo2 reading of the water is in ppm and is equal to the drops used times the factor of the test.