Toluene Detection Tubes (5 to 690 ppm)

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Item #: 122
MFG: GasTec
UOM: Box of 10
Min Order: 0
Order Qty: Must order in multiples of 1
$84.81 Was: $96.36
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Product Details

Toluene Detection Tubes (5 to 690 ppm)

Gastec Detection Tube No. 122 measures Toluene with a Range of 5 to 690 ppm.

  • Measuring Range:
    • 5 to 10 ppm
    • (10) to 300 ppm
    • 300 to 690 ppm
  • Number of Pump Strokes: 2, 1, 1/2
  • Correction Factor: 1/2, 1, 2.3
  • Sampling Time: 1.5 minutes per pump stroke
  • Detecting Limit: 1 ppm (n=2)
  • Changes from White to Brown
  • Corrections for temperature & humidity: Unnecessary
  • Relative Standard Deviation: 10% (for 10 to 100 ppm), 5% (for 100 to 300 ppm)
  • Reaction Principle: C6H5CH3 + I2O5 + H2SO4 → I2
  • 3 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
Xylene ≧ 1/5 + Brown
Acetylene ≧ 2000 ppm + (Two layers) Pale brown (whole layer)
Carbon monoxide ≧ 1000 ppm + (Two layers) Pale brown (whole layer)
Hexane ≧ 2000 ppm + (Two layers) Pale brown (whole layer)
Benzene ≧ 1/5 + Pale yellow

Other substance measurable with this detector tube:

Substance: Correction Factor: No. of Pump Strokes: Measuring Range:
Ethyl benzene 1.1 1 11 to 330 ppm

Toluene Detection Tubes (5 to 690 ppm)

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