Hydrazine With Powder Reagent - Lovibond MD 110 Manual De Instrucciones

Methods
GB
Hydr
0.0.0
Zero
Test
Hydr
RESULT
60

Hydrazine with Powder Reagent

50 – 500 μg/l N
2
Fill a clean vial (24 mm Ø) with 10 ml of the water sample (Note 1,
2) and perform zero calibration (see "Operation").
Add 1 g HYDRAZINE test powder (Note 3) to the water sample.
Close the vial tightly with the cap and invert several times to mix the
contents.
Wait for a reaction period of 10 minutes.
After the reaction period is finished proceed as follows:
The slight turbidity that occurs when the reagent is added must be
removed by filtration (Note 4).
Place the vial in the sample chamber making sure that the
are aligned.
Press the [ZERO/TEST] key.
The method symbol flashes for approx. 3 seconds.
The result is shown in the display in µg/l Hydrazine.
H
4
marks
MD110_1 12/2016