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  1. Chromservis
  2. Gas Detection
  3. Gas Tables
  4. Cross references
  5. Sulphur dioxide cross references
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Gas Detection

Gas PrinciplesGas TablesGeneral Gas Properties
    Legislation
      Sample Preparation

        Sulphur dioxide cross references

        Gas Concentration Response
        Sulphur dioxide (SO2)
        CO 50 ppm 0,3 ppm
        CO 300 ppm <3 ppm
        CO2 1,5 % 0 ppm
        CS2 20 ppm 0,3 ppm
        CS2 2000 ppm 14 ppm
        H2S 15 ppm 0 ppm
        H2S 250 ppm 0,3 ppm
        H2SO4 saturated 0 ppm
        NH3 100 ppm 0 ppm
        NO 25 ppm <= -2 ppm*
        NO2 5 ppm about -5 ppm
        HCl 0.5 ppm 0 ppm
        ClO2 10 ppm <= -2 ppm*
        HF 70 ppm 0 ppm
        Acetylene 10 ppm 1 ppm
        Acetylene 100 ppm 10 ppm
        Toluene 100 ppm 0 ppm
        Isobutylene 100 ppm 0.4 ppm
        1,3-Butadiene 5 ppm 4.3 ppm"
        Styrene 200 ppm >40 ppm

        Note: All data above are valid for sensors by RAE Systems.

        *More negative than -2 ppm

        "Cannot be removed by activated carbon because of SO2 loss