| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| piperazine solvent | 1.76 | 0.4 | 7091 | 90 | 18 |
| piperazine | 0.15 | 0.6 | 3573 | 35 | 10 |
| solvent | 0.25 | 0.3 | 9132 | 2 | 7 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| piperazine solvent | 1.7 | 0.3 | 6606 | 35 |
| piperazine solubility in organic solvents | 1.52 | 0.7 | 7574 | 91 |
| hydrazine solubility in organic solvents | 0.44 | 0.3 | 8088 | 52 |
| pyrazine solubility in water | 0.8 | 0.6 | 3672 | 38 |
| molecular weight of piperazine | 1.42 | 1 | 1936 | 89 |
| dielectric constant of piperazine | 1.23 | 0.7 | 6081 | 26 |
| iupac name of piperazine | 0.84 | 0.1 | 3815 | 32 |
