Application Range
Standard Measuring Range: 5 to 50 ppm
Number of Strokes n: 5
Time for Measurement: approx. 1 min
Standard Deviation: ± 20 to 30 %
Color Change: green -> brown
Ambient Operating Conditions
Temperature: 0 to 40 °C
Absolute Humidity: 3 to 15 mg H2O / L
Reaction Principle
a) CH3Br + SO3 + MnO4–> Br2
b) Br2 + o-dianisidine -> brown reaction product
Cross Sensitivity
Other chlorinated hydrocarbons, free halogens and halogenated hydrocarbon acids are also indicated, however, with differing sensitivities.
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