| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| reference electrode standardization technique | 1.12 | 0.3 | 8380 | 98 | 45 |
| reference | 0.15 | 0.2 | 836 | 81 | 9 |
| electrode | 0.95 | 0.3 | 1436 | 3 | 9 |
| standardization | 0.21 | 0.6 | 3721 | 41 | 15 |
| technique | 0.08 | 0.7 | 7472 | 21 | 9 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| reference electrode standardization technique | 1.3 | 0.1 | 2783 | 97 |
