Application Range
Standard Measuring Range 40 to 800 ppm
Number of Strokes (n) 1
Time for Measurement approx. 1 min
Standard Deviation ±15 to 20 %
Color Change pale yellow -› yellow
Ambient Operating Conditions
Temperature: 5 to 40 °C
Absolute Humidity: 5 to 40 mg H2O / L
Reaction Principle
Acetone + 2.4-Dinitrophenylhydrazine ¨ yellow hydrazone
Cross Sensitivity
Other ketones are indicated but with different sensitivities. Aldehydes
are indicated. 500 ppm ethylacetate does not affect the indication.
Ammonia causes the indicating layer to turn yellowish brown.