© PCE Instruments
33
Eng
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10.9
Hydrogen peroxide (PCE-CP 30)
10.9.1
Hydrogen peroxide low range
0.
00 … 2.90 mg/l
Reagent: PCE-CP X0 Tab Hydrogen Peroxide LR
!
1.
Clean the instrument as described in chapter 2 General information and, if desired or
necessary, perform the ZERO procedure as described in chapter 7.
2.
Navigate through the main menu until the parameter
H
2
O
2
LR
is displayed.
3.
Fill a 10 ml sample into the cuvette using the dispensing pipette.
4.
Add one Hydrogen Peroxide LR tablet to the sample and crush the tablet using the
crushing rod.
5.
When the tablet is completely dissolved, place the light protection cover on the cuvette
and press
OK
to start the measurement.
6.
As soon as the countdown is completed, you will receive your measurement result.
10.9.2
Hydrogen peroxide high range
0 … 200 mg/l
Reagents: PCE-CP X0 Tab Hydrogen Peroxide HR
!
, PCE-CP X0 Acidifying PT
!
1.
Clean the instrument as described in chapter 2 General information and, if desired or
necessary, perform the ZERO procedure as described in chapter 7.
2.
Navigate through the main menu until the parameter
H
2
O
2
HR
is displayed.
3.
Fill a 10 ml sample into the cuvette using the dispensing pipette.
4.
Add one Hydrogen Peroxide HR tablet to the sample and crush the tablet using the
crushing rod.
5.
When the tablet is completely dissolved, place the light protection cover on the cuvette
and press
OK
to start the measurement.
6.
As soon as the countdown is completed, you will receive your measurement result.
10.10 Water hardness (PCE-CP 20, PCE-CP 30)
The unit in which the water hardness is indicated can be set in the settings menu "Hardness unit",
see chapter 9.1.5 Hardness Unit.
10.10.1 Total hardness
0 … 500 mg/l
Reagents: PCE-CP X0 Tab Total Hardness 1
!
, PCE-CP X0 Tab Total Hardness 2
!
1.
Clean the instrument as described in chapter 2 General information and, if desired or
necessary, perform the ZERO procedure as described in chapter 7.
2.
Navigate through the main menu until the parameter
TH
is displayed.
3.
Fill a 10 ml sample into the cuvette using the dispensing pipette.
4.
Shake the liquid reagents before use.
5.
Add ten drops of Total Hardness 1 and four drops of Total Hardness 2 to the sample
and stir it with the crushing/stirring rod.
6.
When a uniformly coloured solution is obtained, place the light protection cover on the
cuvette and press
OK
to start the measurement.
7.
As soon as the countdown is completed, you will receive your measurement result.