Hydrogen Fluoride Detection Tubes (0.05 to 24 ppm)

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Item #: 17LL
MFG: GasTec

UOM: Box of 10

$89.75 Was: $101.90
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Hydrogen Fluoride Detection Tubes (0.05 to 24 ppm)

Gastec Detection Tube No. 17LL measures Hydrogen Fluoride with a Range of (0.05) to 24 ppm.

  • Measuring Range:
    • (0.05) to 3.0 ppm
    • 3.0 to 6.9 ppm
    • 6.9 to 24 ppm
  • Number of Pump Strokes: 5, 3, 1
  • Correction Factor: 1, 2.3, 8.0
  • Sampling Time: 1 minute per pump stroke
  • Detecting Limit: 0.025 ppm (5 pump strokes)
  • Changes from Yellow to Brown
  • Corrections for temperature & humidity: Both temperature & humidity correction is necessary
  • Reaction Principle: HF + Indicator → Reaction product
  • Relative Standard Deviation: 10% (for 0.05 to 1.0 ppm), 5% (for 1.0 to 3.0 ppm)
  • 2 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
Nitric acid ≧ 1.0 ppm + Pale reddish purple
Hydrogen chloride ≧ 0.1 ppm + Reddish purple
Hydrogen peroxide 10 ppm No No