Application Range
Standard Measuring Range: 2 to 10 ppm
Number of Strokes n: 10
Time for Measurement: approx. 9 min
Standard Deviation: ±20 to 30%
Color Change: white -› yellow
Ambient Operating Conditions
Temperature: 10 to 30°C
Absolute Humidity: 9 mg H2O / L
Reaction Principle
a) CHCl3 + CrVI -> Cl2
b) Cl2 + o-tolidine -> yellow reaction product
Cross Sensitivity
Other chlorinated hydrocarbons are indicated, but with different sensitivities