Chlorite - ProMinent DULCOTEST DT4 Instrucciones De Servicio

Methods
Chlorite 0.03 - 2.5 mg/l
Perform zero calibration (see "Operation").
0.0.0
If there is chlorine dioxide present in the sample, transfer 25-
30 ml of the sample to the 100 ml PP beaker. Using the battery-
operated beater, force the chlorine dioxide out of the sample for
at least 5 minutes.
Empty the vial. Place two DPD chlorine dioxide tables No. 1 in
the square plastic vessel, crush using a clean stirring rod.
Fill with the chlorine dioxide-free sample up to the 10 ml mark.
Mix until the crushed tablets have completely dissolved. Now
add two DPD chlorine dioxide tables No. 2 and mix using a clean
stirring rod. Make sure not to crush the tables. Apart from a small
residual amount, transfer the content of the square plastic vessel
to the vial. Replace the cap on the vial and align the ∇ ∆ marks.
Zero
Press the ZERO/TEST key.
Test
The method symbol flashes for approx. 3 seconds.
CLt
The result is shown in the display in mg/l chlorite.
R E S U L T R E S U L T
R E S U L T
Tolerance:
0 - 0.48 mg/l: ± 0.02 mg/l
> 0.48 - 0.95 mg/l: ± 0.05 mg/l
> 0.95 - 1.43 mg/l: ± 0.10 mg/l
> 1.43 - 1.90 mg/l: ± 0.14 mg/l
> 1.90 - 2.50 mg/l: ± 0.19 mg/l
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