| Active principles | Rating | Bibliogr. | Expand | |
|---|---|---|---|---|
| 1 | Oxygen | 100 | + | |
| 2 | Noble Gases | 59 | + | |
| 3 | Nitrogen Oxides | 41 | + | |
| 4 | Carbon Dioxide | 39 | + | |
| 5 | Carbon Monoxide | 25 | + | |
| 6 | Sulfur Hexafluoride | 24 | + | |
| 7 | Nitrogen | 14 | + | |
| 8 | Plasma Gases | 9 | + | |
| 9 | Hydrogen | 6 | + | |
| 10 | Hydrogen Sulfide | 5 | + | |
| 11 | Ammonia | 3 | + |