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[METHOD] flashes for approxi‐
8.
mately 3 seconds.
ð The result in mg/l of bromine
appears in the display.
9.
Measuring tolerances
when determining the
bromine content:
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 mg/l: ± 0.68
–
mg/l
ð Explanatory notes, see
Ä Further information
on page 20 .
Chlorine dioxide with liquid reagents
0.02 ... 7.6 mg/l
[MODE] key to select [CdO] .
Use the
1.
In a 24 mm cuvette add a 10 ml
water sample and carry out a
zero correction, see
Ä „Switching on and zero cor‐
rection" on page 13
2.
Remove the cuvette from the
sample chamber and empty the
cuvette completely
3.
Hold the dropping bottle upright
and by slow pressing, add equal
sized drops into the cuvette:
6 drops ➨ DPD 1 buffer sol‐
n
ution
2 drops ➨ DPD 1 reagent
n
solution
Fill the cuvette up to the 10 ml
marking with the water sample
4.
Close the cuvette using the cuv‐
ette lid
5.
Mix the contents of the cuvette
by tipping it back and forth
6.
Position the cuvette in the
sample chamber
ð Observe the correct posi‐
tioning of the cuvette.
7.
Press the key
[METHOD] flashes for
ð
approximately 3 seconds.
The result in mg/l of chlorine
dioxide appears in the dis‐
play.
Analysis methods
[ZERO/TEST]
27
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