P7 Advanced
Methods
Bromine with Tablet
Br
0.05 – 13 mg/l
Fill a clean vial (24 mm Ø) with 10 ml of the water sample and
0.0.0
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 straight from the foil to the water sample
and crush the tablet using a clean stirring rod.
Add the water sample to the 10 ml mark.
Close the vial tightly with the cap and swirl gently several times until
the tablet is dissolved.
Place the vial in the sample chamber making sure that the
marks
are aligned.
Zero
Press the [ZERO/TEST] key.
Test
The method symbol flashes for approx. 3 seconds.
Br
RESULT
The result is shown in the display in mg/l Bromine.
Tolerances:
0 – 2.3 mg/l: ± 0.12 mg/l
> 2.3 – 4.5 mg/l: ± 0.25 mg/l
> 4.5 – 6.8 mg/l: ± 0.45 mg/l
> 6.8 – 9.0 mg/l: ± 0.68 mg/l
> 9.0 – 13 mg/l: ± 0.90 mg/l
Notes:
see page 38
WT.050.311.000.DM.IM.0119
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