Draeger Tube, Box of 9 Toluene Diisocyanate

Name: Draeger Tube, Box of 9 Toluene Diisocyanate
Brand: DRAEGER SAFETY INC.
Price: 296.0 USD
Availability: BackOrder

$296.00

Availability: May direct ship from manufacturer.

Product Code: 6724501

Brand: DRAEGER SAFETY INC.

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 minutes
Standard Deviation:	± 30%
Color Change:	white to orange

Ambient Operating Conditions
Temperature:	15 to 30° C ~ 59 to 86° F
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.

Additional Information
Before carrying out the measurement the lower reagent ampoule must be broken and the liquid transferred to the indication layer, so that it changes color to yellow. Next, the upper reagent ampoule must be broken and the liquid transferred to the indication layer, so that it returns to a white color. After performing 25 pump strokes wait 15 minutes before evaluating the indication.

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