HPLC Separation of Caffeine, Benzoic acid and Acetaminophen

Condition
Column Legacy L1, 4.6x250 mm, 5 µm, 100A
Mobile Phase MeOH - 28%
Buffer Acetic Acid - 3%
Flow Rate 1.5 ml/min
Detection UV, 275 nm

Description
Class of Compounds  Drug, Acid,  Hydrophilic, Hydrophobic, Ionizable
Analyzing Compounds Caffeine, Benzoic acid, Acetaminophen
&
Application Analytes:
Acetaminophen (Paracetamol)
Benzoic Acid
Caffeine