© PCE Instruments
30
Eng
li
s
h
10.6
Chlorine dioxide (PCE-CP 30)
0.
00 … 11.40 mg/l
Only if the water sample contains chlorine in addition to chlorine dioxide (e. g. if both disinfectants
(chlorine and chlorine dioxide) are used), procedure A with the Glycine tablet must be followed. If
the sample contains only chlorine dioxide and no chlorine, follow procedure B.
Procedure A
Reagents: PCE-CP X0 Tab Glycine
!
, DPD N° 1 (PCE-CP X0 Tab Free Chlorine)
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
CLO
2
is displayed.
3.
Fill a 10 ml sample into the cuvette using the dispensing pipette.
4.
Add one Glycine tablet to the sample and crush the tablet using the crushing rod.
5.
Now add a DPD N° 1 tablet to the sample and crush it with the crushing rod.
6.
When both tablets are completely dissolved, 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.
Procedure B
Reagent: DPD N° 1 (PCE-CP X0 Tab Free Chlorine)
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
CLO
2
is displayed.
3.
Fill a 10 ml sample into the cuvette using the dispensing pipette.
4.
Add one DPD N° 1 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.
