Application Range
Standard Measuring Range 100 to 12,000 ppm
Number of Strokes (n) 10
Time for Measurement approx. 4 min
Standard Deviation ±15 to 20 %
Color Change pale yellow -› yellow
Ambient Operating Conditions
Temperature: 0 to 40 °C
Absolute Humidity: 5 to 20 mg H2O / L
Reaction Principle
Acetone + 2.4-Dinitrophenylhydrazine ¨ yellow hydrazone
Cross Sensitivity
Other ketones are indicated but with different sensitivities. Aldehydes
are indicated, but not esters. Ammonia causes the indicating layer to
turn yellowish brown.