| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| journal of hazardous materials | 1.72 | 0.8 | 740 | 60 | 30 |
| journal | 1.22 | 0.9 | 2888 | 50 | 7 |
| of | 1.46 | 0.6 | 2499 | 6 | 2 |
| hazardous | 1.82 | 0.9 | 9589 | 95 | 9 |
| materials | 0.56 | 1 | 2110 | 83 | 9 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| journal of hazardous materials | 0.18 | 1 | 5322 | 19 |
