Hydrogen Sulfide and Sulphur Dioxide 0.02-8% Detection Tubes

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Item #: 45H
MFG: GasTec
UOM: Box of 10
Min Order: 0
Order Qty: Must order in multiples of 1
$97.15 Was: $106.89
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Product Details

Hydrogen Sulfide and Sulphur Dioxide 0.02-8% Detection Tubes

  • Detecting Limit: 0.002% (10 pump strokes)
  • Color Change: Brown to Pale Yellow
  • Corrections for temperature and humidity: Unnecessary
  • Relative Standard Deviation: 10% (for 0.2 to 1%), 5% (for 1 to 4%)
  • Shelf Life: 3 years
  • Reaction Principle:
    • H2S + I2 → 2Hl + S
    • SO2 + I2 + 2H2O → 2Hl + H2SO4

Performance:

Measuring Range: 0.02 to 0.2% 0.2 to 4.0% 4.0 to 8.0%
Number of Pump Strokes: 2 to 10 (200 to 1000 ml) 1 (100 ml) 1/2 (50 ml)
Correction Factor: 1/2 to 1/10 1 2
Sampling Time: 1.5 to 7.5 min 45 sec 30 sec

Possible coexisting substances and their interferences:

Substance Interference Changes color by itself to
Other sulfur compounds + Pale yellow

Hydrogen Sulfide and Sulphur Dioxide 0.02-8% Detection Tubes

Reaction Principle:

H2S + I2 to 2HI + S

SO2 + I2 + 2H20 to 2HI + H2SO4

Possible Coexisting Substances and their Interference:

Substance: Concentration: Interference: Color Changes By Itself:
Other sulphur compounds X + Pale Yellow

Hydrogen Sulfide and Sulphur Dioxide 0.02-8% Detection Tubes

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