An Isocratic Method for Quantification of Valproic Acid and Its Related Impurities Using Ion Pair Reagent by Ultraperformance Liquid Chromatography
Figure 2
Chromatograms of working standards and sample of valproic acid with its related impurities, where (a) chromatograms of reference standard of valproic acid (0.2 mg/mL) and impurities (0.2 mg/mL). (b) Chromatograms of sample of valproic acid (0.2 mg/mL) and impurities (0.2 mg/mL).
