| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| environmental chemistry letters issn | 0.92 | 0.2 | 16 | 70 | 36 |
| environmental | 0.69 | 0.9 | 8090 | 54 | 13 |
| chemistry | 1.03 | 0.4 | 8733 | 91 | 9 |
| letters | 0.99 | 0.8 | 3703 | 1 | 7 |
| issn | 1.9 | 0.8 | 6406 | 27 | 4 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| environmental chemistry letters issn | 0.44 | 1 | 4544 | 58 |
