| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| piperazine solution | 0.23 | 0.2 | 4240 | 99 | 19 |
| piperazine | 0.66 | 0.6 | 5150 | 59 | 10 |
| solution | 0.43 | 0.5 | 8867 | 38 | 8 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| piperazine solution | 1.06 | 0.5 | 7727 | 22 |
| piperazine solubility | 1.97 | 0.5 | 8052 | 38 |
| piperazine solubility in water | 1.52 | 0.6 | 1721 | 89 |
| piperazine solubility in organic solvents | 1.79 | 0.4 | 8066 | 69 |
| piperazine hexahydrate solution | 0.64 | 0.7 | 6907 | 40 |
| inca piperazine solution | 1.73 | 0.7 | 819 | 88 |
| piperazine phosphate solubility | 1.5 | 0.9 | 545 | 16 |
