Ethanol Detection Tubes (50 to 2000 ppm)

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Item #: 112L
MFG: GasTec

UOM: Box of 10

$91.12 Was: $100.49
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Ethanol Detection Tubes (50 to 2000 ppm)

Gastec Detection Tube No. 112L measures Ethanol with a Range of 50-2000 ppm.

  • Measuring Range: 50 to 100 ppm, 100 to 2000 ppm
  • Number of Pump Strokes: 2, 1
  • Correction Factor: 1/2, 1
  • Sampling Time: 2 minutes per pump stroke
  • Detecting Limit: 15 ppm (2 pump strokes)
  • Color Change: Pale Vermillon to Pale Blue
  • Corrections for temperature & humidity: Temperature correction is necessary
  • Reaction Principle: C2H5OH + Cr6+ + H2SO4 → Cr3+
  • Relative Standard Deviation: 10% (for 100 to 500 ppm), 5% (for 500 to 2000 ppm)
  • 3 Year Shelf Life
  • Store the tubes in a cool and dark place.

Possible coexisting substances and their interferences:

Substance Concentration Interference Changes color by itself to
Alcohols + Pale blue
Acetone ≦ 1000 ppm No No (≦ 1000 ppm)
Ethyl acetate ≦ 500 ppm No No (≦ 500 ppm)
Toluene ≦ 300 ppm No No (≦ 300 ppm)
Benzene ≦ 70 ppm No No