2-Pentenenitrile Detection Tubes (0.5 to 15 ppm)

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Item #: 193
MFG: GasTec
UOM: Box of 10
Min Order: 0
Order Qty: Must order in multiples of 1
$93.81 Was: $103.24
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Product Details

2-Pentenenitrile Detection Tubes (0.5 to 15 ppm)

Gastec Detection Tube No. 193 measures 2-Pentenenitrile with a Range of 0.05 to 15 ppm.

  • Measuring Range:
    • 0.5 to 6.0 ppm
    • 6.0 to 15 ppm
  • Number of Pump Strokes: 4, 2
  • Correction Factor: 1, 2.5
  • Sampling Time: 2 minutes per pump stroke
  • Detecting Limit: 0.1 ppm (4 pump strokes)
  • Changes from Yellow to Red
  • Corrections for temperature & humidity: Temperature correction is necessary
  • Reaction Principle:
    • CH3CH2CH:CHCN + Cr6+ + H2SO4 → HCN
    • 2HCN + HgCl2 → 2HCl
    • HCl + Base → Chloride
  • Relative Standard Deviation: 10% (for 0.5 to 2 ppm), 5% (for 2 to 6 ppm)
  • 3 Year Shelf Life
  • Store the tubes at cool and dark place.
  • Comes in a Box of 5 pre tube and 5 detector tubes

Possible coexisting substances and their interferences:

Substance Concentration Interference Changes color by itself to
Hydrogen chloride, Hydrogen cyanide No No
Acetone cyanohydrin + Red
Alcohols, Esters, Ketones ≧ 20 ppm - No
Nitriles (≧ C3) + Red
Aromatic hydrocarbons ≧ 20 ppm - No
Dehumidifying agent removes humidity and acid gases.

2-Pentenenitrile Detection Tubes (0.5 to 15 ppm)

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