1.1 Methods
Nitrite
with Tablet
0.01 – 0.5 mg/l N
1. Fill a clean vial (24 mm Ø) with 10 ml of the water
sample, close tightly with the cap.
2. Place the vial in the sample chamber making sure that
the marks
are aligned.
3. Press ZERO key.
4. Remove the vial from the sample chamber.
5. Add one NITRITE LR tablet straight from the foil to
the water sample and crush the tablet using a clean
stirring rod.
6. Close the vial tightly with the cap and swirl several times
until the tablet is dissolved.
7. Place the vial in the sample chamber making sure that
the marks
are aligned.
8. Press TEST key.
Wait for a reaction period of 10 minutes.
After the reaction period is finished the measurement
starts automatically.
The result is shown in the display in mg/l Nitrite.
prepare Zero
press ZERO
Zero accepted
prepare Test
press TEST
Countdown
10:00
7
0
2
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