Research Article
Selectivity of Brij-35 in Micellar Liquid Chromatographic Separation of Positional Isomers
Table 2
LSER system constants for various stationary and mobile phases reported in the literature.
| Column | Mobile phase | | | System parameters | Ref. | | | e | s | a | b | | |
| ODS | 50% ACN | 0.181 | | | | 1.492 |
[13] | Polar Endcapped | 50% ACN | 0.173 |
−0.444
|
−0.396
|
−1.261
| 1.323 | | Polar embedded | 50% ACN | 0.146 |
−0.339
|
−0.079
|
−1.581
| 1.320 | | TAG | 20% ACN | 0.345 |
−0.001
|
−0.315
|
−1.202
| 1.349 |
[14] | TAG | 25% MeOH | 0.478 | 0.267 |
−0.493
| | 1.496 | | Monolith C-18 | 50% ACN | 0.07 | |
−0.52
|
−1.55
| 1.49 |
[15] | Monolith C-18 | 50% MeOH | 0.30 | |
−0.41
|
−1.77
| 2.10 | | Monolith C-18 | 10% MeOH | 0 |
−0.51
|
−0.26
|
−2.18
| 3.83 | | Monolith C-18 | 0.04 M Brij-35* |
−0.165
|
−0.087
|
−0.191
|
−1.284
| 1.080 | [16] |
|
|
*Mobile phase is 0.04 M Brij-35 with 0.01 M sodium dihydrogen phosphate at pH 7.4 adjusted with NaOH at 40°C.
|