Application Range
Standard Measuring Range: 1 mg/m3 corresponds to a discoloration of 1 to 2 mm in length.
Number of Strokes n: 8
Time for Measurement: approx. 1.5 min
Standard Deviation: ± 50 %
Color Change: yellow ¨ orange red
Ambient Operating Conditions
Temperature: 0 to 40 °C
Absolute Humidity: < 50 mg H2O / L
Reaction Principle
NR3 + KBiI4 -> orange red reaction product
Cross Sensitivity
Various organic basic nitrogen compounds are indicated. It is impossible to differentiate between them.
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