Ozone With Tablet (O 3) - VWR International MCT 100 Manual De Instrucciones

O 3
0.0.0
! Zero
Test
O 3
RESULT
22
Ozone with Tablet
in absence of Chlorine
0,02 – 2,0 mg/l
Mode O 3
Fill a clean vial (24 mm Ø) with 10 ml of the water sample and
perform zero calibration (see "Operation").
Remove the vial from the sample chamber and empty it, leaving a
few drops remaining in the vial.
Add one DPD No. 1 tablet and one DPD No. 3 tablet straight from
the foil and crush the tablets using a clean stirring rod.
Add water sample to the 10 ml mark.
Close the vial tightly with the cap and swirl several times until the
tablets are dissolved.
Place the vial in the sample chamber making sure that the
are aligned.
Wait for a reaction period of 2 minutes.
(Countdown can be activated, see page 11)
The method symbol flashes for approx. 3 seconds.
The result is shown in the display as Ozone.
marks
VWR ver 1 23.01.2018