Item #: 6728961
MFG: Draeger

Ethylene Oxide Detection Tubes 1/a (1 -30 ppm)

For short-term measurements more than 160 Draeger-Tubes are available to measure the so-called spot concentrations of specific gases. A wide range of different gases and vapours can be detected and measured, e.g.: Determining and measuring concentration peaks, Measuring personal exposure in the inhalation area, Detecting leaks in pipelines, gas installations etc., and Air analysis in sewers, shafts and confined spaces.

Contains 10 tubes
Standard Measuring Range1 to 15 ppm
Number of Strokes (n)20
Time for Measurementapprox. 8 min.
Standard Deviation±20 to 30 %
Colour Changewhite ─> pink
Temperature10 to 35° C
Absolute Humidity3 to 15 mg H2O / L
Reaction Principlea) Ethylene Oxide ─> HCHO
b) HCHO + C6H4(CH3)2 + H2SO4 >
    quinoid reaction products
Cross SensitivityStyrene, vinyl acetate and acetaldehyde
are indicated with a yellowish brown

It is impossible to measure ethylene
oxide in the presence of ethylene glycol
and formaldehyde because they produce
the same discoloration.
Additional InformationThe reagent ampoule must be broken
before carrying out the measurement.