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Recovery of NSAIDs from the IL-rich phase (%Recovery) by the addition of different volumes of water as anti-solvent.
| Volume ratio of the IL-rich-phase:water |
|||
|---|---|---|---|
| 1:1 | 1:3 | 1:5 | |
| %(Recovery ± σ) | |||
| Diclofenac | 53 ± 3 | 68 ± 6 | 69 ± 3 |
| Ibuprofen | 76 ± 2 | 80 ± 3 | 83 ± 3 |
| Naproxen | 79 ± 4 | 86 ± 5 | 91 ± 2 |
| Ketoprofen | 40 ± 3 | 46 ± 4 | 48 ± 3 |
