| Sample used | DMF (%) | Benzene (%) | DMSO (%) | Toluene (%) | IPN obtained (Extracted) |
| IPN 1 | 83 | 41 | 67 | 41 | 21.3 |
| IPN 2 | 69 | 35 | 57 | 47 | 20.5 |
| IPN 3 | 40 | 46 | 53 | 67 | 51.3 |
| IPN 4 | 61 | 71 | 67 | 66 | 45.6 |
| IPN 5 | 64 | 43 | 69 | 57 | 30.1 |
| IPN 6 | 66 | 50 | 65 | 64 | 24.8 |
| IPN 7 | 59 | 41 | 68 | 56 | 20.6 |
| IPN 8 | 78 | 65 | 63 | 61 | 31.8 |