202
MD 610_2d 11/2019
Oxygen, dissolved
with Vacu-vials
®
K-7553 (see Notes)
10 – 800 μg/l O
2
Insert the adapter for 13 mm Ø round vials.
1.
Placethe blank in the sample chamber. Theblank ispart
of the test kit.
2.
Press
ZERO
key.
3.
Removethe blank from the sample chamber.
4.
Water should flow through the specialsamplecontainer
for severalminutes to remove any air bubbles sticking
at the surface.
The water must flow from the bottom to the top.
5.
When the sample container is bubble-free press one
Vacu-vial
®
into the lower edge of the samplecontainer.
The Vacu-vial
®
breaks at the neck and the vial fills au-
tomatically.
A small volume of inert gas remains in the Vacu-vial
®
.
6. Remove the Vacu-vial
®
point downwards from the
sample container immediately.
As the contents of the vial has a higher density than
water, it is important to remove the vial from the sam-
ple container within 5 seconds to prevent any loss of
reagent.
7.
The Vacu-vial
®
is closed with one finger (covered with
a glove) to prevent entry of air. Invert the vial several
times. Dry the outside of the vial.
8.
Placethe Vacu-vial
®
in the sample chamber.
9.
Press
TEST
key.
The result is shown in the display in μg/l Oxygen.
9
2
2
prepare Zero
press ZERO
Zero accepted
prepare Test
press TEST
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 307: ...301 MD 610_2d 11 2019 Part 2 Instrument Manual...
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