| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| iron ion selective electrode | 1.96 | 0.8 | 3264 | 3 | 28 |
| iron | 1.53 | 0.2 | 4332 | 35 | 4 |
| ion | 0.06 | 0.4 | 9841 | 100 | 3 |
| selective | 1.58 | 0.5 | 8163 | 19 | 9 |
| electrode | 0.52 | 0.8 | 4467 | 37 | 9 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| iron ion selective electrode | 1.21 | 0.2 | 6021 | 48 |
