DR/2400
Chlorine Dioxide
ChlorineDio_Other_Low_AMA_Eng_Ody.fm Page 1 of 4
• Analyze samples immediately because chlorine dioxide is unstable and volatile. See Sample Collection, Storage and
Preservation.
• For most accurate results, analyze each portion of sample at the same temperature.
• Wipe the outside of sample cells before each insertion into the instrument cell holder. Use a damp towel followed by a dry one to
remove fingerprints or other marks.
• A TenSette
®
pipet (Cat. No. 19700-01) may be used to dispense Chlorine Dioxide Reagent A.
Chlorine Dioxide
Amaranth Method*
(20 to 500 µg/L)
Scope and Application: For water, drinking water
* This method is under license of Elf Atofina. Reagent sets for this method are only available in Europe.
1. Touch
Hach Programs.
Select program
78 ClO
2
Amaranth.
Touch
Start.
2. Using the syringe and
needle provided, add
1.0 mL of Chlorine
Dioxide Reagent A into a
25-mL volumetric flask.
3. Fill the volumetric
flask to the mark with
deionized water. Stopper.
Invert several times to
mix.
4. Pour 10 mL from the
volumetric flask into a
10 mL sample cell. (This
is the blank.)
Tips and Techniques
10 mL
20 mL
25 mL
Amaranth Method
Hach Programs
10 mL
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