Tetrahydrothiophene Detection Tubes (1 to 10 ppm)

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Item #: 76
MFG: GasTec
UOM: Box of 10
Min Order: 0
Order Qty: Must order in multiples of 1
$100.85 Was: $107.82
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Product Details

Tetrahydrothiophene Detection Tubes (1 to 10 ppm)

Gastec Detection Tube No. 76 measures Tetrahydrothiophene with a Range of 1 to 10 ppm.

  • Measuring Range: 1 to 10 ppm
  • No. of Pump Strokes: 4 (400 ml)
  • Correction Factor: 1
  • Sampling Time: 1 minute per pump stroke
  • Detecting Limit: 0.25 ppm (4 pump strokes)
  • Changes from Pink to Pale Yellow
  • Corrections for temperature & humidity: Temperature correction is necessary
  • 2 Year Shelf Life
  • Reaction Principle: C4H8S + MnO4 → Reaction Product
  • Relative Standard Deviation: 10 % (for 1 to 3 ppm), 5 % (for 3 to 10 ppm)
  • Comes in a Box of 5 detector tubes and 5 pre tubes
  • Store the tubes at cool and dark place

Possible coexisting substances and their interferences:

Substance Concentration Interference Changes color by itself to
Hydrogen sulphide ≦ 30 ppm No Pale pink (whole layer)
Ethyl mercaptan ≦ 1 ppm No Pale pink (whole layer)
Ethylene ≦ 1000 ppm No Pale pink (whole layer)
Propylene ≦ 500 ppm No Pale pink (whole layer)
Methanol ≦ 300 ppm No Pale pink (whole layer)

Tetrahydrothiophene Detection Tubes (1 to 10 ppm)

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