1.1 Methods
Notes: (Chlorine dioxide in the presence of Chlorine)
1. The conversion factor to convert Chlorine dioxide as Chlorine to Chlorine dioxide as ClO
2
is approximately 0.4 (more exactly 0.38).
mg/l ClO
2
= mg/l ClO
2
[Cl] x 0.38
ClO
2
[Cl]
ClO
2
(Chlorine dioxide displayed as Chlorine units ClO
2
[Cl] has its origin in swimming
poolwater treatment according to DIN 19643.)
2. The total Chlorine result given includes the contribution of the Chlorine dioxide (as
Chlorine) reading. For true total Chlorine value subtract the Chlorine dioxide (as
Chlorine) reading from the quoted total Chlorine reading.
3. Also see page 55.
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