Millipore Spectroquant Multy Operating Manual page 150

Measuring range: 0.5– 12.0 mg/l O
Check the pH of the Select method 5 5 0 .
sample, specified range:
pH 6 – 8.
If required, add dilute
sodium hydroxide
solution or sulfuric acid
drop by drop to adjust
the pH.
Add with microspoon Add 5 drops of O
1 glass bead.
Insert the blank cell into Insert the cell containing
the cell compartment. the sample into the cell
Press Zero . compartment. Align the
mark on the cell with
that on the photometer.
Press Test .
Release 08/2014 - Spectroquant
Oxygen
16-mm cell
2
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)
-1K. Add 5 drops of O
2
close the cell with the
screw cap, and shake for
10 seconds.
®
Multy
Fill watersample into a
reaction cell to over-
flowing and make sure,
that no air bubbles are
present.
-2K, Reaction time:
2
1 minute
Press Enter to start
the countdown.
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).
114694
Cell Test
Place the filled cell in a
test-tube rack.
Add 10 drops of O -3K,
2
close the cell with the
screw cap, mix, and
clean from outside.