Draeger Tube, Ethylene Glycol 10 (5)tst/box 10-180 mg/m3

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Product Code: 8101351


Draeger Tube - Ethylene Glycol 10
Order No. 81 01 351

Application Range
Standard Measuring Range 10 to 180 mg/m3
Corresponds to 4 to 70 ppm
Number of Strokes n: 10 
Time for Measurement: approx. 7 minutes
Standard Deviation: ± 20 to 30%
Color Change: white to pink
Ambient Operating Conditions
Temperature: 10 to 35° C ~ 50 to 95° F
Absolute Humidity: 5 to 15 mg H2O / L
Reaction Principle
b) HCHO + C6H4(CH3)2 + H2SO4  quinoid reaction products
Cross Sensitivity
Styrene, vinyl acetate and acetaldehyde are indicated with a yellowish brown discoloration.

It is impossible to measure ethylene glycol in the presence of formal dehyde and ethylene oxide because they produce the same discoloration.
Addtional Information
The reagent ampoule must be broken before carrying out the measurement.