Dräger Tubes For Short Term Measurements: Toluene Diisocyanate 0.02/A
Dräger Safety offer a massive range of short-term gas detection tubes for the measurement of various gases. This particular set of tubes is for (Toluene Diisocyanate 0.02/A).
The tubes come in a pack of 9 tubes and have a shelf life of 2 years.
|Standard Measuring Range:||0.02 to 0.2 ppm Discoloration compared to color comparison tube.|
|Number of Strokes n:||25|
|Time for Measurement:||approx. 20 min|
|Standard Deviation:||± 30 %|
|Colour Change:||white to orange|
Ambient Operating Conditions:
|Temperature:||15 to 30 °C|
|Absolute Humidity||< 20 mg H2O / L|
a) Pyridylpyridinium chloride + NaOH ~> Glutaconaldehyde sodium oletate b) 2,4-TDI (also for 2,6-TDI) + HCI ~> Aromatic amine c) Aromatic amine + glutaconaldehyde ~> orange reaction product
Other isocyanates are not indicated. No interference by: 5 ppm aniline 10 ppm benzylamine 5 ppm toluene 20 ppm benzene Mercaptans also discolor the indicating layer..
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