Vinyl Chloride Detection Tubes (0.25 to 54 ppm)

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Item #: 131La
MFG: GasTec
UOM: Box of 10
Min Order: 0
Order Qty: Must order in multiples of 1
$85.33 Was: $93.91
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Vinyl Chloride Detection Tubes (0.25 to 54 ppm)

Gastec Detection Tube No. 131La measures Vinyl Chloride with a Range of 0.25 to 54 ppm.

  • Measuring Range:
    • 0.25 to 0.5 ppm
    • 0.5 to 1 ppm
    • 1 to 20 ppm
    • 20 to 54 ppm
  • Number of pump strokes: 4, 2, 1, 1/2
  • Correction Factor, 1/4, 1/2, 1, 2.7
  • Sampling Time: 1 minute per pump stroke
  • Detecting Limit: 0.05 ppm (4 pump strokes)
  • Changes from Yellow to Reddish Brown
  • Corrections for temperature & humidity: Unnecessary
  • Relative Standard Deviation: 10% (for 1 to 6 ppm), 5% (for 6 to 20 ppm)
  • 2 Year Shelf Life (in the refrigerator)
  • Reaction Principle:
    • CH2:CHCl + Cr6+ + H2SO4 → HCl
    • HCl+ Base → Chloride
  • Store the tubes in the refrigerator to keep at 10ºC (50ºF) or below.
  • Comes in a Box of 5 pretubes and 5 detector tubes

Possible coexisting substances and their interferences

Substance Concentration Interference Changes color by itself to
Tetrachloroethylene ≧ 3 times + Reddish brown
Trichloroethylene ≧ 1/2 + Reddish brown
Xylene, Toluene ≧ 500 ppm - No
Ethylene ≧1000 ppm - No
Benzene ≧ 400 ppm - No

Other substances measurable with this detector tube:

Substance Correction Factor No. of pump strokes Measuring Range
(ppm)
1,3-Dichloropropene 0.5 2 0.5 to 10
p-Ethyl benzylchloride 2.5 2 2.5 to 50
Ethyl chloroformate 7 2 7 to 140
2-Methyl allyl chloride 2.75 1 2.8 to 55
Methyl chloroformate 58 5 58 to 1160
Propylene dichloride 40 2 40 to 800
1,2,4-Trichlorobenzene 0.65 4 0.65 to 13