140
MD 610_2d 11/2019
Hydrazine
with Vario Liquid Reagent
0.005 – 0.6 mg/l N
2
H
4
/ 5 – 600 μg/l N
2
H
4
Use two clean vials (24 mm Ø) and mark one as blank for
zeroing.
1.
Fill a clean vial with
10 ml deionised water
(this is the
blank).
2.
Add
1 ml VARIO Hydra 2 Rgt Solution
into the vial
(Note 3).
3.
Closethe vial tightly with the cap and swirl severaltimes
to mix the contents.
4.
Placethe vial (the blank) in the samplechamber making
sure that the
marks are aligned.
5.
Press
ZERO
key.
6.
Removethe vial from the sample chamber.
7. Fill the second clean vial with
10 ml of the water
sample
(this is the sample).
8.
Add
1 ml VARIO Hydra 2 Rgt Solution
into the vial.
9.
Closethe vial tightly with the cap and swirl severaltimes
to mix the contents.
10. Placethe vial (the blank) in the samplechamber making
sure that the
marks are aligned.
11. Press
TEST
key.
Wait for a
reaction period of 12 minutes
.
After the reaction period is finished the measurement
starts automatically.
The result is shown in the display as Hydrazine.
prepare Zero
press ZERO
Zero accepted
prepare Test
press TEST
Countdown
12:00
0
6
2
Summary of Contents for Lovibond MD 610
Page 14: ...8 MD 610_2d 11 2019...
Page 15: ...9 MD 610_2d 11 2019 Part 1 Methods...
Page 87: ...81 MD 610_2d 11 2019...
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Page 306: ...300 MD 610_2d 11 2019...
Page 307: ...301 MD 610_2d 11 2019 Part 2 Instrument Manual...
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