Millipore Spectroquant Multy Operating Manual page 137

Colorimeter
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Measuring range: 0.02 – 1.00 mg/l Mo
0.03 – 1.67 mg/l MoO
0.04 – 2.15 mg/l Na
Check the pH of the
Select method 2 9 0 .
sample, specified range:
pH 1 – 10.
If required, add dilute
sodium hydroxide
solution or sulfuric acid
drop by drop to adjust
the pH.
Shake both cells vigor-
Reaction time:
ously to dissolve the
2 minutes
solid substance.
Press Enter to start
the countdown.
Release 08/2014 - Spectroquant
Molybdenum
16-mm cell
16-mm cell
4
MoO
16-mm cell
2
4
Add 2 drops each of
Mo-1K to two reaction
cells and mix.
Insert the blank cell into
the cell compartment.
Align the mark on the
cell with that on the pho-
tometer. Press Zero .
®
Multy
Add to one cell 10 ml of
the sample with pipette,
close with the screw cap.
Insert the cell containing
the sample into the cell
compartment. Align the
mark on the cell with
that on the photometer.
Press Test .
Quality assurance:
To check the measurement system (test reagents,
measurement device, and handling) a ready-for-use
molybdenum standard solution Certipur
concentration 1000 mg/l Mo, can be used after diluting
accordingly.
100860
Cell Test
Add to the second cell
10 ml of distilled water
with pipette, close with
the screw cap.
(Blank cell)
®
, Cat.No. 170227,

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