Substance | Formula | Reaction | Molar wt g/mole | n | EF kg SO2/kg |
Sulphur dioxide | SO2 |
| 64.06 | 2 | 1 |
Hydrogen fluoride | HF |
| 20.01 | 1 | 1.60 |
Trifluoroacetic acid (TFA) | CF3COOH |
| 114.02 | 1 | 0.28 |
Hydrogen chloride | HCl |
| 36.36 | 1 | 0.88 |