o-Cresol Detection Tubes (0.4 to 62.5 ppm)

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Item #: 61
MFG: GasTec
UOM: Box of 10
Min Order: 0
Order Qty: Must order in multiples of 1
$101.26 Was: $104.28
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Product Details

o-Cresol Detection Tubes (0.4 to 62.5 ppm)

Gastec Detection Tube No. 61 measures o-Cresol with a Range of 0.4-62.5 ppm.

  • Measuring range:
    • 0.4 to 1 ppm
    • 1 to 25 ppm
    • 25 to 62.5 ppm
  • Number of Pump Strokes: 4, 2, 1
  • Correction Factor: 0.4, 1, 2.5
  • Detecting Limit: 0.1 ppm (4 pump strokes)
  • Sampling Time: 1.5 minutes per pump strokes
  • Changes from Pale Yellow to Gray
  • Corrections for tempearture & humidity: Temperature correction is necessary
  • Relative Standard Deviation: 15% (for 1 to 5 ppm), 10% (for 5 to 25 ppm)
  • Reaction Principle: C6H4(CH3)OH + Ce(NO3)62- → C6H4(CH3)OCe(NO3)52-
  • 2 Year Shelf Life (in the refrigerator)
  • TLV-TWA, C (ACGIH) (ppm): 20mg/m^3(IFV)
  • Store the tubes in the refrigerator to keep at 10ºC (50ºF) or below.

Possible coexisting substances and their interferences:

Substance Concentration Interference Changes color by itself to
Phenol + Gray
Amines ≧ 2000 ppm + White
Ammonia ≧ 2000 ppm + White


Other substance measurable with this detector tube:

Substance: Correction Factor: No of Pump Strokes: Measuring Range:
m-Cresol 1.0 2 1 to 25 ppm
p-Cresol 1.0 2 1 to 25 ppm

o-Cresol Detection Tubes (0.4 to 62.5 ppm)

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