| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| hydroxyl radical formation | 1.13 | 1 | 802 | 9 | 26 |
| hydroxyl | 0.34 | 0.1 | 2327 | 4 | 8 |
| radical | 1.29 | 0.6 | 6063 | 68 | 7 |
| formation | 1.77 | 0.3 | 5418 | 1 | 9 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| hydroxyl radical formation | 1.44 | 0.6 | 6064 | 64 |
| hydroxyl radical formation of ozone | 0.09 | 0.8 | 6804 | 37 |
| is ozone a radical | 0.85 | 0.2 | 9728 | 64 |
| hydroxyl generator vs ozone | 1.38 | 0.2 | 3950 | 17 |
| no radical ozone equation | 0.69 | 0.4 | 3309 | 45 |
