| Solvent type | Residence time (h) | Solvent quantity(ml) |
| Petroleum ether | 4 | 300 |
| 250 | ||
| 200 | ||
| 6 | 300 | |
| 250 | ||
| 200 | ||
| Hexane | 4 | 300 |
| 250 | ||
| 200 | ||
| 6 | 300 | |
| 250 | ||
| 200 |