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Composition of the solvent system n-hexane/ethanol/methanol/water (34:11:12:2, v/v/v/v) in percent (± 3% standard deviation), determined by GC/FID and Karl Fischer titration
| n-Hexane | Ethanol | Methanol | Water | |
|---|---|---|---|---|
| Upper phase | 95.0 | 3.2 | 1.6 | 0.2 |
| Lower phase | 20.1 | 34.8 | 39.1 | 6.0 |
