Acetaminophen on Ultisil XB-C8

P-aminophenol

Column Welch Ultisil® XB-C8 4.6×250mm,5μm (P/N: 00202-31043)
Mobile Phase Phosphate buffer (take 8.95 g disodium hydrogen phosphate, 3.9 g sodium dihydrogen phosphate, dissolved to 1000 ml with water, add 12 ml 10% tetrabutylammonium hydroxide solution) - methanol = 90:10
Detector 245nm
Temperature 40℃
Flow Rate 1ml/min
Injection Volume 20ul