几个带苯环的有机酸的分离条件:
Column: Cogent HPS™ C18, 150mm x 4.6mm
Type of Hardware: Super-Link System™
Catalog Number: 75018-15 or
75018-15RFlow Rate: 1.0mL/min
Temperature: Ambient
Detection: 215nm
Injection: 10µL
Mobile Phase: 35:65 ACN:Water/0.1% TFA
Peak
| tR
| k'
| Symmetry
| USP Tailing
| N/M
|
1: Uracil
| 1.56
| 0.00
| 1.26
| 1.17
| 67,213
|
2: 4-Hyroxy BZA
| 2.41
| 0.54
| 1.10
| 1.05
| 43,600
|
3: Acetylsalicylic Acid
| 4.00
| 1.56
| 0.99
| 0.98
| 71,193
|
4: Benzoic Acid
| 4.52
| 1.89
| 0.96
| 0.97
| 78,900
|
5: 2-Hyroxy BZA
| 5.91
| 2.78
| 0.98
| 0.97
| 82,607
|
6: Ethyl Paraben
| 7.73
| 3.94
| 0.92
| 0.94
| 82,713
|