Add 2 drops of ClO
2
-1
and mix.
Chlorine dioxide
100608
Test
Measuring 0.10 – 10.00 mg/l ClO
2
10-mm cell
range: 0.05 – 5.00 mg/l ClO
2
20-mm cell
0.020 – 2.000 mg/l ClO
2
50-mm cell
Expression of results also possible in mmol/l.
Pipette 10 ml of the
sample into a test tube.
Reaction time:
1 minute
Transfer the solution into
a corresponding cell.
Select method with
AutoSelector.
Place the cell into the
cell compartment.
Shake vigorously to
dissolve the solid
substance.
Add 1 level blue micro-
spoon of ClO
2
-2.
Quality assurance:
To check the measurement system (test reagents,
measurement device, and handling) a freshly prepared
standard solution can be used (see section
“Standard
solutions”).
Check the pH of the
sample, specified range
:
pH 4 – 8.
If required, add dilute
sodium hydroxide
solution or sulfuric acid
drop by drop to adjust
the pH.
Reaction time:
2 minutes
Release 06/2014 - Spectroquant
®
UV/VIS Spectrophotometer Pharo 300
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