Dräger Tube -Toluene Diisocyanate 0.02/a (9)

DrägerSKU: 6724501

Sale price£181.86


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.

Application Range:

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

Reaction Principle:

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

Cross Sensitivity:

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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