| Extracting solvent |
(%) Process efficiency |
(%) ion-suppression |
| 9-cRA |
4-oxo-9-cRA |
9-cRA |
4-oxo-9-cRA |
| Ethyl acetate |
55.4 |
28.5 |
28.2 |
42.5 |
| Methyl tert-butyl ether |
42.7 |
22.5 |
42.8 |
37.8 |
| Diethyl ether |
25.7 |
14.5 |
25.8 |
30.5 |
| Diethyl ether:ethyl acetate (50:50, v/v) |
52.4 |
46.5 |
32.2 |
35.6 |
| Dichloromethane:n-hexane (50:50, v/v) |
45.5 |
25.8 |
28.6 |
38.5 |
| Dichloromethane:n-hexane:IPA (75:20:5, v/v) |
62.7 |
35.8 |
14.5 |
51.4 |
| Ethyl acetate:n-hexane (50:50, v/v) |
65.2 |
42.4 |
21.0 |
33.5 |
| Ethyl acetate:n-hexane:IPA (30:65:5, v/v/v) |
95.0 |
95.5 |
0.4 |
1.9 |
|
