| Active principles | Rating | Bibliogr. | Expand | |
|---|---|---|---|---|
| 1 | Sulfates | 100 | + | |
| 2 | Phosphates | 97 | + | |
| 3 | Sulfides | 70 | + | |
| 4 | Carbonates | 63 | + | |
| 5 | Oxides | 54 | + | |
| 6 | Cyanides | 35 | + | |
| 7 | Chlorides | 29 | + | |
| 8 | Arsenates | 27 | + | |
| 9 | Nitrates | 21 | + | |
| 10 | Nitrites | 18 | + | |
| 11 | Arsenites | 16 | + | |
| 12 | Vanadates | 15 | + | |
| 13 | Bromides | 13 | + | |
| 14 | Hydroxides | 13 | + | |
| 15 | Fluorides | 12 | + | |
| 16 | Iodides | 11 | + | |
| 17 | Sulfites | 7 | + | |
| 18 | Borates | 7 | + |