kylabs
第1楼2011/05/31
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 75018-15R
Flow 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 |