Aliphatic Hydrocarbons Detection Tubes (140 - 6 to 3000 ppm)

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Item #: 140
MFG: GasTec
UOM: Box of 10
Min Order: 0
Order Qty: Must order in multiples of 1
$97.58
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Product Details

Aliphatic Hydrocarbons Detection Tubes (140 - 6 to 3000 ppm)

Gastec Detector Tube No 140 is used for the detection of Aliphatic Hydrocarbons within the measuring range of 6-3000 ppm.

Measuring Range:

  • 6 to 20 ppm - 2 pump strokes - Correction Factor of 0.3
  • 20 to 1000 ppm - 1 pump stroke - Correction Factor of 1
  • 1000 to 3000 ppm - 1/2 pump stroke - Correction Factor of 3
  • Sampling Time: 2 minutes per pump stroke
  • Detecting limit: 1 ppm (2 pump strokes)
  • Changes from Yellow to Blackish brown
  • Corrections for temperature & humidity: Temperature correction is necessary
  • Relative Standard Deviation: 10% (for 20 to 1000 ppm)
  • 2 Year Shelf Life
  • Reaction Principle:
    • Aliphatic Hydrocarbons + Cr6+ + H2SO4 → Cr3+
  • Store the tubes at a cool and dark place.

Aliphatic Hydrocarbons Detection Tubes (140 - 6 to 3000 ppm)

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