Tetrahydrothiophene Detection Tubes (10 to 200 ppm)

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Item #: 76H
MFG: GasTec
UOM: Box of 5 detector tubes & 5 pre tubes
Min Order: 0
Order Qty: Must order in multiples of 1
$97.79 Was: $105.02
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Product Details

Tetrahydrothiophene Detection Tubes (10 to 200 ppm)

Gastec Detection Tube No. 76H measures Tetrahydrothiophene with a Range of 10 to 200 ppm.

  • Measuring Range: 10 to 200 ppm
  • Pump Stroke: 1 (100 ml)
  • Correction Factor: 1
  • Sampling Time: 1 minute per pump stroke
  • Detecting Limit: 2 ppm (1 pump stroke)
  • Changes from Pink to Pale Yellow
  • Corrections for temperature & humidity: Temperature correction is necessary
  • Reaction Principle: C4H8S + MnO4 → Reaction Product
  • Relative Standard Deviation: 10% (for 10 to 60 ppm), 5% (for 80 to 200 ppm)
  • 2 Year Shelf Life
  • Store the tubes at cool & dark place.

Possible coexisting substances and their interferences:

Substance Concentration Interference Changes color by itself to
Hydrogen sulfide ≦ 300 ppm No Pale pink (whole layer)
Ethyl mercaptan ≦ 3 ppm No Pale pink (whole layer)
Ethylene ≦ 5000 ppm No Pale pink (whole layer)
Propylene ≦ 2000 ppm No Pale pink (whole layer)
Methanol ≦ 2000 ppm No Pale pink (whole layer)

Tetrahydrothiophene Detection Tubes (10 to 200 ppm)

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