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Hydrazine Test Kit Colorimetric Procedure
Distinct yellow colour test
1.00Complete SET
Product Description
Colorimetric Procedure
The objective is to maintain a hydrazine residual between 0.05-0.2 ppm depending on operating pressure and boiler designe. Actual consumption is determined under operating conditions. A normal dosage is approximately 1 ltr. per day, depending of system layout.
Hydrazine is a convenient reductant because the by-products are typically nitrogen gas and water. Thus, it is used as an ANTIOXIDANT, an oxygen scavenger, and a corrosion inhibitor in water boilers and heating systems.
Hydrazine is mainly used as a foaming agent in preparing polymer foams.
No oxygen is entering the boiler with the feed water when hydrazine is present in the water.
Product Technical bulletin
Directions for use :
1. Take 5 ml of sample to be tested in the Test jar.
2. Add 40 drop (2ml) of Reagent TK-16. Mix wel
3. Add 2 micro spoon full of Reagent TK-17. Mix well upto provider dissolves Completely. Wait for 10 minutes.
4. Now rinse the empty comparator tube with above solution and will upto the half level of the comparator tube.
5. Insert this tube in sample slot of comparator.
6. Compare the developed colour with standard comparator colours.
7. Note down the ppm level of Hydrazine as N2H4
|
Interfering Substance |
Interference Level |
|
Ammonia |
No interference up to 10 mg/L. May cause a positive interference of up to 20% at 20 mg/L. |
|
Highly colored or turbid samples |
Prepare a 1:1 mixture of deionized water and household bleach. Add one drop of this mixture to 25 mL of sample in a graduated mixing cylinder and invert to mix. This will destroy any hydrazine in the sample. Use this solution, instead of deionized water, to prepare the blank in the test procedure.
|
| Morpholine | No interference up to 10 mg/L. |
Product label
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