Spectroquant Pharo 300 - Page 321

Add 8.0 ml of the
sample with pipette
and mix.
Reaction time:
10 minutes
Add 0.50 ml of H
2
O
2
-2
with pipette and mix.
Check the pH of the
sample, specified range:
pH 4 – 10.
If required, add dilute
sodium hydroxide
solution or sulfuric acid
drop by drop to adjust
the pH.
118789
Test
Hydrogen Peroxide
Pipette 0.50 ml of
H
2
O
2
-1 into a test tube.
Measuring 0.03 – 6.00 mg/l H
2
O
2
10-mm cell
range: 0.015 – 3.000 mg/l H
2
O
2
20-mm cell
Expression of results also possible in mmol/l.
Transfer the solution into
a corresponding cell.
Select method with
AutoSelector.
Place the cell into the
cell compartment.
Quality assurance:
To check the measurement system (test reagents,
measurement device, and handling) a h
ydrogenperoxide
standard solution must be prepared from Perhydrol
®
30% H
2
O
2
GR, Cat.No. 107209 (see section “Standard
solutions”).
Release 06/2014 - Spectroquant
®
UV/VIS Spectrophotometer Pharo 300