4-ethoxycarbonyl-3-ethoxyphenylacetic Acid and Its Isomers Test Report on Ultisil XB-C18
Solution of main component
Column | Welch Ultisil® XB-C18 4.6×250mm,5μm (P/N: 00201-31043) |
Mobile Phase | 0.1% phosphoric acid aqueous solution / 10% tetrahydrofuran in methanol solution = 55/45 |
Detector | 215nm |
Temperature | 30℃ |
Flow Rate | 1ml/min |
Injection Volume | 10ul |