Arsine Detection Tubes (0.04 to 10 ppm)

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Item #: 19LA
MFG: GasTec

UOM: Box of 10

$83.87 Was: $92.29
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Arsine Detection Tubes (0.04 to 10 ppm)

This detector tube measures Arsinewithin a range of 0.04 to 10 ppm

  • Measuring Range:
    • 0.04 to 0.1 ppm - 10 pump strokes
      Correction Factor: 0.4
    • 0.1 to 1.5 ppm - 5 pump strokes
      Correction Factor: 1
    • 1.5 to 2.4 ppm - 3 pump strokes
      Correction Factor: 1.6
    • 2.4 to 10 ppm - 1 pump stroke
      Correction Factor: 6.7
  • Sampling Time: 1.5 minutes per pump stroke
  • Detecting Limit: 0.02 ppm (10 pump strokes)
  • Changes from Yellow to Red
  • Corrections for temperature & humidity: Unnecessary
  • Relative Standard Deviation:10% (for 0.1 to 0.5 ppm), 5% (for 0.5 to 1.5 ppm)
  • 2 Year Shelf Life
  • Reaction Principle:
    • AsH3 + 3HgCl2 → As(HgCl)3 + 3HCl
    • HCl + Base → Chloride
  • Store the tubes at a cool and dark place.

Possible coexisting substances and their interferences:

Substance Concentration Interference Changes color by itself to
Phosphine ≧ 1/10 + Red
Diborane No No
Hydrogen chloride No No