| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| refractive index detector hplc principle | 1.95 | 0.8 | 7629 | 13 | 40 |
| refractive | 0.31 | 0.9 | 5081 | 89 | 10 |
| index | 1.8 | 0.9 | 4135 | 43 | 5 |
| detector | 0.74 | 0.6 | 2109 | 15 | 8 |
| hplc | 1.98 | 0.9 | 6150 | 14 | 4 |
| principle | 1.61 | 0.8 | 1412 | 56 | 9 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| refractive index detector hplc principle | 0.51 | 0.8 | 8212 | 6 |
