Dimethyl Sulphide Detection Tubes (0.25 to 10 ppm)

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Item #: 53
MFG: GasTec

UOM: Box of 10

$105.41 Was: $113.04
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Dimethyl Sulphide Detection Tubes (0.25 to 10 ppm)

Gastec Detection Tube No. 53 measures Dimethyl Sulfide with a Range of 0.15 to 10 ppm.

  • Measuring Range: 0.15 to 0.5 ppm, (0.5) to 10 ppm
  • Number of Pump Strokes: 5 (500 ml), 3 (300 ml)
  • Correction Factor: 0.3, 1
  • Sampling Time: 7.5 minutes, 4.5 minutes
  • Detecting Limit: 0.15 ppm (5 pump strokes)
  • Changes from Bluish Purple to White
  • Corrections for temperature & humidity: Temperature correction is necessary
  • 2 Year Shelf Life
  • Comes in a Box of 5 detector tubes and 5 pre tubes
  • Reaction Principle:
    • Pyrotec: (CH3)2S → SO2
    • Pyrotube: SO2 + I2 + 2H2O → 2Hl + H2SO4

Possible coexisting substances and their interferences:

Substance Concentration Interference Changes color by itself to
Hydrogen sulfide ≧ 70 ppm + White
Methyl mercaptan ≧ 40 ppm + White
Sulfur dioxide + White

Substance measurable with this Pyrotube:

Substance Number of Pump Strokes Correction Factor Measuring Range
(ppm)
Dimethyl disulfide 3 0.6 0.3 to 6