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Measuring range: 10–150 mg/l COD or O
Carefully pipette 2.0 ml
Carefully pipette 2.0 ml
of the sample into a
of distilled water (Water
reaction cell, close tight-
for chromatography
ly with the screw cap,
LiChrosolv
and mix vigorously.
115333, is recommen-
Caution, the cell
ded) into a second reac-
becomes very hot!
tion cell, close tightly with
the screw cap, and mix
vigorously.
Caution, the cell
becomes very hot!
(Blank cell)
Replace both cells in the
Select method 1 6 6 .
rack for complete cool-
ing to room temperature.
(Very important!)
Release 08/2014 - Spectroquant
COD (Hg-free)
Chemical Oxygen Demand
16-mm cell
2
Heat both cells in the
thermoreactor at 148 °C
for 2 hours.
®
, Cat.No.
Insert the blank cell into
the cell compartment.
Align the mark on the
cell with that on the pho-
tometer. Press Zero .
®
Multy
Remove both cells from
the thermoreactor and
place in a test-tube rack
to cool.
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, meas-
urement device, and handling) we recommended to use
the Standard solution for photometric applications, CRM,
Cat.No. 125028 and 125029.
109772
Cell Test
Swirl both cells after
10 minutes.
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