Methacrylonitrile Detection Tubes (0.2 to 32 ppm)

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Item #: 192
MFG: GasTec

UOM: Box of 5 detector tubes, 5 pretubes

$109.69 Was: $117.64
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Methacrylonitrile Detection Tubes (0.2 to 32 ppm)

Gastec Detection Tube No. 192 measures Methacrylonitrile with a Range of 0.2 to 32 ppm.

  • Measuring Range: 0.2 to 32 ppm
  • Number of Pump Strokes: 4, 2, 1
  • Correction Factor: 0.4, 1, 3.2
  • Sampling Time: 2 minutes per pump stroke
  • Detecting Limit: 0.1 ppm (4 pump strokes)
  • Reaction Principle:
    • CH2:C(CH3)CN + Cr6+ + H2SO4 → HCN
    • 2HCN + HgCl2 → 2HCl
    • HCl + Base → Chloride
  • Corrections for temperature & humidity: Unnecessary
  • Relative Standard Deviation: 10% (for 0.5 to 10 ppm)
  • Changes from Yellow to Red
  • 3 Year Shelf Life
  • Store the tubes at cool and dark place.
  • 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
Acetone cyanohydrin + Red
Nitriles (≧ C3) + Red
Alcohols, Esters, Ketones ≧ 20 ppm - No
Aromatic hydrocarbons ≧ 20 ppm - No