| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| contact process catalyst | 1.07 | 0.6 | 6976 | 10 | 24 |
| contact | 1.04 | 0.8 | 9985 | 26 | 7 |
| process | 0.84 | 0.3 | 7226 | 89 | 7 |
| catalyst | 0.04 | 0.8 | 1264 | 39 | 8 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| contact process catalyst | 1.09 | 0.6 | 2939 | 49 |
| catalyst used in contact process | 0.62 | 1 | 4396 | 25 |
| which catalyst is used in contact process | 1.86 | 0.9 | 3990 | 50 |
| v2o5 catalyst contact process | 0.67 | 1 | 7873 | 7 |
| vanadium oxide catalyst contact process | 0.05 | 0.3 | 7392 | 47 |
| what catalyst is used in the contact process | 1.65 | 0.4 | 1556 | 67 |
