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Chlorine Dioxide
5.
Use a Class A pipet to
add exactly 1.00 mL of
Chlorine Dioxide
Reagent 2 to each
cylinder. Stopper.
25 mL
25 mL
20 mL
20 mL
10 mL
10 mL
9.
Pour 25 mL from each
cylinder into round
sample cells.
Interferences
Interfering Substance
Highly acidic or alkaline
water
–
ClO
ClO
–
2
–
ClO
3
CrO
2–
4
3+
Fe
Hardness
Ozone
Turbidity
Chlorine Dioxide
Page 2 of 4
6.
Invert several times
to mix.
25 mL
20 mL
10 mL
10.
Wipe the blank and
place it into the cell
holder.
May require 2.0 mL each of Chlorine Dioxide Reagent 1 and Chlorine Dioxide Reagent 3 instead
of 1.0 mL
Greater than 5.5 mg/L
Greater than 6 mg/L
Greater than 6 mg/L
Greater than 3.6 mg/L
Greater than 5 mg/L
Greater than 1000 mg/L
Greater than 0.5 mg/L
Greater than 1000 NTU
7.
Use a volumetric
pipet and pipet filler to
add 1.0 mL of Chlorine
Dioxide Reagent 3 to each
cylinder. Stopper.
Zero
11.
Touch
.
Zero
The display will show:
0.00 mg/L ClO
2
Interference Levels and Treatments
8.
Invert several times
to mix.
25 mL
20 mL
10 mL
12.
Wipe the prepared
sample and place it into
the cell holder.
Touch
.
Read
Results will appear in
mg/L ClO
.
2
ChlorineDio_PP_Low_CPR_Eng_Ody.fm
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