| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| hydrogen fluoride exposure limits | 0.77 | 0.1 | 905 | 100 | 33 |
| hydrogen | 1.58 | 0.6 | 6057 | 94 | 8 |
| fluoride | 0.62 | 0.4 | 6637 | 62 | 8 |
| exposure | 1.59 | 0.6 | 7852 | 30 | 8 |
| limits | 1 | 0.3 | 8680 | 91 | 6 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| hydrogen fluoride exposure limits | 1.66 | 0.2 | 7673 | 4 |
| hydrogen chloride exposure limits | 0.34 | 0.9 | 4989 | 78 |
