258
MD 610_2d 11/2019
Silica LR/ Silicon dioxide LR
with Vario Powder Pack
and Liquid Reagent
0.1 – 1.6 mg/l SiO
2
Use two clean vials (24 mm Ø) and mark one as blank for
zeroing.
1.
Fill each vial with
10 ml of the water sample
.
2. Add
0.5 ml Vario Molybdate 3 reagent solution
into
each vial.
3.
Close the vials tightly with the caps and swirl several
times to mix the contents (Note 1).
4.
Press
[ ]
key.
Wait for a
reaction period of 4 minutes
(Note 2).
After the reaction period is finished proceed as follows:
5.
Add the contents of
one Vario Silica Citric Acid F10
Powder Pack
straight from the foil into each vial.
6.
Close the vials tightly with the caps and swirl several
times to mix the contents.
7.
Press
[ ]
key.
Wait for a
reaction period of 1 minute
(Note 3).
After the reaction period is finished proceed as follows:
8.
Placethe vial (the blank) in the samplechamber making
sure that the
marks are aligned.
9.
Add the contents of
one Vario LRSilica Amino Acid
F F10 Powder Pack
straight from the foil into the vial
(the sample).
10. Closethe vial tightly with the cap and swirl severaltimes
to mix the contents.
11. Press
ZERO
key (blank is already placed in the sample
chamber – seepoint 8).
Wait for a
reaction period of 2 minutes
.
Countdown
4:00
start:
Countdown
1:00
start:
1
2
3
4
5
1
3
Countdown
2:00
prepare Zero
press ZERO
Summary of Contents for Lovibond MD 610
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Page 15: ...9 MD 610_2d 11 2019 Part 1 Methods...
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Page 307: ...301 MD 610_2d 11 2019 Part 2 Instrument Manual...
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