Chlorine Dioxide
Photometric test for Chlorine Dioxide in drinking water
Colour Change
Colourless to Pink
Range:
0 - 10 mg/L ClO₂
Technical Resource:
Chlorine Dioxide Test Method, Technical Information
01
Gently add 10 mL of sample to a photometer tube.
02
Add a Glycine tablet. Then, very gently, crush and stir.
03
Use this to "blank" the instrument. Place in cell holder and press Blank.
04
Gently pour a few drops of this into a second tube.
05
Add a DPD 1 tablet to those drops. Then, crush to form a paste.
06
Gently pour the remaining sample into this tube.
07
Place in the cell holder and press Measure to obtain the concentration of Chlorine Dioxide.
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