Table 1.
The list of studies on the using of hydrophobic DESs in liquid–liquid extraction.
| HBA | HBD | Molar ratio | Reference |
|---|---|---|---|
| Tetraoctylammonium bromide | Decanoic acid | 2:1 | 11 |
| Methyltrioctylammonium bromide | Decanoic acid | 2:1 | |
| Methyltrioctylammonium chloride | Decanoic acid | 2:1 | |
| Tetraoctylammonium chloride | Decanoic acid | 2:1 | |
| Tetraheptylammonium chloride | Decanoic acid | 2:1 | |
| Tetrabutylammonium chloride | Decanoic acid | 2:1 | |
| Menthol | Dodecanoic acid | 2:1 | 16,17 |
| Menthol | Palmitic acid | 12:1 | 18 |
| n-tetraoctylammonium bromide | Decanoic acid | 2:1 | 19 |
| Thymol | Decanoic acid | 1:1 | |
| Menthol | Decanoic acid | 1:1 | |
| Dodecanoic acid | Menthol | several | 20 |
| n-nonanoic acid | Menthol | 2:1 | |
| Decanoic acid | Menthol | 2:1 | |
| Undecanoic acid | Menthol | 2:1 | |
| Dodecanoic acid | Decanoic acid | 1:2 | 14 |
| Dodecanoic acid | Octanoic acid | 1:3 | 21 |
| Dodecanoic acid | Nonanoic acid | 1:3 | |
| Thymol | Octanoic acid | 1:2 | 22 |
| Menthol | Octanoic acid | 1:2 | |
| Thymol | Hexanoic acid | 1:1 | 23 |
| Thymol | Heptanoic acid | 1:1 | |
| Thymol | Octanoic acid | 1:1 | |
| Thymol | Nonanoic acid | 1:1 |