Ethylene Oxide Detection Tubes (0.1 to 10 ppm)

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Item #: 163LL
MFG: GasTec
UOM: Box of 10
Min Order: 0
Order Qty: Must order in multiples of 1
$97.20 Was: $104.29
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Product Details

Ethylene Oxide Detection Tubes (0.1 to 10 ppm)

Gastec Detection Tube No. 163LL measures Ethylene Oxide with a Range of 0.1 to 10 ppm.

  • Measuring Range: 0.1 to 5 ppm, 5 to 10 ppm
  • Number of Pump Strokes: 4, 2
  • Correction Factor: 1, 2
  • Sampling Time: 2 minutes per pump stroke
  • Detecting Limit: 0.05 ppm (4 pump strokes)
  • Changes from Yellow to Pale Orange
  • Corrections for temperature & humidity: Temperature correction is necessary
  • Reaction Principle:
    • C2H4O → 2HCHO
    • 3HCHO +(NH2OH)3H3PO4 → H3PO4
    • H3PO4 + Base → Phosphate
  • Relative standard deviation: 15% (for 0.1 to 0.5 ppm), 10% (for 1 to 5 ppm)
  • 1 Year Shelf Life (in the refrigerator)
  • Store the tubes in the refrigerator to keep at 10ºC (50ºF) or below.
  • Comes in a Box of 5 pre tubes and 5 detector tubes

Possible coexisting substances and their interferences:

Substance Concentration Interference Changes color by itself to
Acetaldehyde 1.5 ppm + Pale orange
Ketones 15 ppm + Pale orange
Alcohols 300 ppm - No
Formaldehyde 0.5 ppm + Pale orange

Ethylene Oxide Detection Tubes (0.1 to 10 ppm)

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