Phosphine (PH3) Detection Tubes ( 0.15 to 5 ppm)

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Item #: 7L
MFG: GasTec
UOM: Box of 10
Min Order: 0
Order Qty: Must order in multiples of 1
$86.93 Was: $93.27
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Product Details

Phosphine (PH3) Detection Tubes ( 0.15 to 5 ppm)

Gastec Detection Tube No. 7L measures Phosphine with a Range of 0.15 to 5 ppm.

  • Measuring Range: 0.15 to 0.3 ppm, 0.3 to 5 ppm
  • No. of Pump Strokes: 10, 5
  • Correction Factor: 1/2, 1
  • Sampling Time: 1 minute per pump stroke
  • Detecting Limit: 0.04 ppm (10 pump strokes)
  • Changes from Pale Yellow to Purple
  • Corrections for temperature & humidity: Unnecessary
  • Reaction Principle: PH3 + Gold-compound → Colloidal gold
  • Relative Standard Deviation: 10% (for 0.3 to 1 ppm), 5% (for 1 to 5 ppm)
  • 3 Year Shelf Life
  • Store the tubes at cool and dark place.

Possible coexisting substances and their interferences:

Substance Interference Changes color by itself to
Arsine + Purple
Germane + Purple
Hydrogen selenide + Purple
Hydrogen sulfide + Purple

Phosphine (PH3) Detection Tubes ( 0.15 to 5 ppm)

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