Ethylene Oxide Detection Tubes (0.05 to 3% ppm)

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Item #: 163
MFG: GasTec

UOM: Box of 10

$97.21 Was: $104.28
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Ethylene Oxide Detection Tubes (0.05 to 3% ppm)

Gastec Detection Tube No. 163 measures Ethylene Oxide with a Range of (0.05)-3.0%.

  • Measuring Range: (0.05) to 3%
  • Number of Pump Strokes: 1 (100 ml)
  • Correction Factor: 1
  • Sampling Time: 45 seconds per pump stroke
  • Detecting Limit: 0.02% (1 pump stroke)
  • Changes from Orange to Green
  • Corrections for temperature & humidity: Unnecessary
  • Relative Standard Deviation: 10% (for 0.05 to 1.0 %), 5% (for 1.0 to 3.0 %)
  • Reaction Principle: C2H4O+ Cr6+ + H2SO4 → Cr3+
  • Store the tubes at cool and dark place.
  • 3 Year Shelf Life

Possible coexisting substances and their interferences:

Substance Interference Changes color by itself to
Alcohols + Green
Aromatic hydrocarbons + Green
Esters + Green
Ketones + Green

Other substances measurable with this detector tube:

Substance Correction Factor No. of Pump Strokes Measuring Range
1,4-Dioxane 2.0 1 0.1 to 6.0%
Propylene oxide 1.3 1 0.065 to 3.9%