Draeger Tube, Ethylene Oxide 1/a (5)tst/box 1-15 ppm

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Product Code: 6728961

Draeger Tube - Ethylene Oxide 1/a
Order No. 67 28 961

Application Range
Standard Measuring Range 1 to 15 ppm
Number of Strokes n: 20
Time for Measurement: approx. 8 minutes
Standard Deviation: ± 20 to 30%
Color Change: white to pink
Ambient Operating Conditions
Temperature: 10 to 30° C ~ 50 to 86° F
Absolute Humidity: 3 to 15 mg H2O / L
Reaction Principle
a) Ethylene Oxide  HCHO
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 oxide in the presence of ethylene glycol and formaldehyde because they produce the same discoloration.
Addtional Information
The reagent ampoule must be broken before carrying out the measurement.

View the entire Draeger Tubes & CMS Handbook