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3 view(s) Chloramine on a palintest photometer
Can I measure monochloramine on a palintest photometer?
[caption id="" align="aligncenter" width="396"] Chloramine molecule[/caption]
Normally, DPD 1 gives free chlorine
Addition of DPD 3 (excess KI) gives free and combined chlorine (chloramine)
Instead of DPD 3, DPD 2 is used (which has a trace of KI). This only reacts with monochloramine. So subtracting the DPD 1 result gives th...
