Measuring range: 0.5– 12.0 mg/l O
2
16-mm
cell
114694
Cell Test
Oxygen
Add with microspoon
1 glass bead.
Fill watersample into a
reaction cell to over-
flowing and make sure,
that no air bubbles are
present.
Place the filled cell in a
test-tube rack.
Add 5 drops of O
2
-1K.
Add 10 drops of O
2
-3K,
close the cell with the
screw cap, mix, and
clean from outside.
Add 5 drops of O
2
-2K,
close the cell with the
screw cap, and shake for
10 seconds.
Fill approx. 10 ml of
distilled water into an
empty 16-mm cell (do
not add any reagents!),
close with the screw
cap.
(Blank cell)
Select method 5 5 0 .
Reaction time:
1 minute
Press Enter to start
the countdown.
Insert the cell containing
the sample into the cell
compartment. Align the
mark on the cell with
that on the photometer.
Press Test .
Insert the blank cell into
the cell compartment.
Press Zero .
Check the pH of the
sample, specified range:
pH 6 – 8.
If required, add dilute
sodium hydroxide
solution or sulfuric acid
drop by drop to adjust
the pH.
Release 08/2014 - Spectroquant
®
Multy
Quality assurance:
To check the measurement system (test reagents, meas-
urement device, and handling) a oxygen standard solution
must be prepared (application see the website).
