HPLC Analysis of Drug Composition on Heritage C18 Column According to US Pharmacopeia

Conditions of Experiment
Column: Heritage С18
Separation Modes: reversed-phase
Column Dimenstions: 4.6 x 100 mm, 5 um, 100A
Mobile Phase: MeOH/H2O/AcOH 30/67/3
Detection: UV 275 nm
Sample: 0.2 mg/ml
Injection: 5 uL
Flow rate: 1 mL/min
Class of compounds: Aromatic acid, Aromatic compound, Drug, Organic acid, Stimulant, Xanthine
Nature of compounds: Acidic, Hydrophilic, Hydrophobic, Neutral, Polar
Compounds: Acetaminophen, Caffeine, Aspirin, Benzoic acid, Salicylic acid