208
MD 610_2d 11/2019
Ozone,
in absence of Chlorine
with Tablet
0.02 – 2 mg/l O
3
1.
Fill a clean vial (24 mm Ø)
with 10 ml of the water
sample
, closetightly with the cap.
2.
Placethe vial in the sample chamber making sure that
the
marks are aligned.
3.
Press
ZERO
key.
4.
Removethe vialfrom the samplechamber and
empty it,
leaving a few drops remaining in the vial
.
5.
Add
one DPD No. 1 tablet
and
one DPD No. 3 tablet
straight from the foil and crushthe tabletsusing a clean
stirring rod.
6.
Add water sample to the 10 ml mark.
7.
Closethe vial tightly with the cap and swirl severaltimes
until the tablets are dissolved.
8.
Placethe vial in the sample chamber making sure that
the
marks are aligned.
9.
Press
TEST
key.
Wait for a
reaction period of 2 minutes
.
After the reaction period is finished the measurement
starts automatically.
The result is shown in the display in
mg/l Ozone.
prepare Zero
press ZERO
Zero accepted
prepare Test
press TEST
Countdown
2:00
0
0
3
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...
Page 95: ...89 MD 610_2d 11 2019...
Page 306: ...300 MD 610_2d 11 2019...
Page 307: ...301 MD 610_2d 11 2019 Part 2 Instrument Manual...
Page 310: ...304 MD 610_2d 11 2019...
Page 362: ...356 MD 610_2d 11 2019...