Methyl Mercaptan Detection Tubes (20 to 2700 ppm)

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Item #: 71H
MFG: GasTec
UOM: Box of 10
Min Order: 0
Order Qty: Must order in multiples of 1
$88.35 Was: $97.20
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Product Details

Methyl Mercaptan Detection Tubes (20 to 2700 ppm)

Gastec Detection Tube No. 71H measures Methyl Mercaptan with a Range of 20 to 2700 ppm.

  • Measuring Range:
    • 20 to 50 ppm
    • 50 to 1000 ppm
    • 1000 to 2700 ppm
  • Number of Pump Strokes: 2, 1, 1/2
  • Correction Factor: 0.4, 1, 2.7
  • Sampling Time: 45 seconds per pump stroke
  • Detecting Limit: 2 ppm (2 pump strokes)
  • Changes from White to Yellow
  • Corrections for temperature & humidity: Unnecessary
  • Reaction Principle: 2CH3SH + PdSO4 → (CH3S)2Pd + H2SO4
  • Relative Standard Deviation: 10% (for 50 to 200 ppm), 5% (for 200 to 1000 ppm)
  • 3 Year Shelf Life
  • Store the tubes at cool and dark place.

Possible coexisting substances and their interferences:

Substance Concentration Interference Changes color by itself to
Mercaptans + Yellow
Carbon moonoxide No No
Ethylene No No
Hydrogen sulfide ≧ 1000 ppm + No
Nitrogen dioxide No No

Other substance measurable with this detector tube:

Substance: Correction Factor: No. of Pump Strokes: Measuring Range:
Ethyl mercaptan by scale 1 100 to 3800 ppm

Methyl Mercaptan Detection Tubes (20 to 2700 ppm)

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