Mercury Vapor Detection Tubes (0.05 to 13.2mg/m3)

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Item #: 40
MFG: GasTec
UOM: Box of 10
Min Order: 0
Order Qty: Must order in multiples of 1
$93.47 Was: $98.75
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Mercury Vapor Detection Tubes (0.05 to 13.2mg/m3)

Gastec Detection Tube No. 40 measures Mercury Vapor with a Range of 0.05 to 13.2 mg/m3.

  • Measuring Range:
    • 0.05 to 0.25 mg/m3
    • 0.25 to 6.0 mg/m3
    • 6.0 to 13.2 mg/m3
  • Number of Pump Strokes: 5, 1, 1/2
  • Correction Factor: 1/5, 1, 2.2
  • Sampling Time: 1.5 minutes per pump strokes
  • Detecting Limit: 0.01 mg/m3 (5 pump strokes)
  • Changes from White to Pale Orange
  • Corrections for temperature & humidity: Unnecessary
  • 3 Year Shelf Life
  • Reaction Principle: Hg + 2Cu2I2 → Cu2(HgI4) + 2Cu
  • Relative Standard Deviation: 10% (for 0.25 to 2 mg/m3), 5% (for 2 to 6 mg/m3)
  • Store the tubes at cool and dark place.

Possible coexisting substances and their interferences

Substance Interference Changes color by itself to
Hydrogen sulfide + Pale orange (whole layer)
Chlorine + Pale orange
Nitrogen dioxide + Pale orange