International Scholarly Research Notices / 2012 / Article / Tab 3

Research Article

An Isocratic Method for Quantification of Valproic Acid and Its Related Impurities Using Ion Pair Reagent by Ultraperformance Liquid Chromatography

Table 3

Data for robustness.

% CV
ConditionPA2-EPA2-IsoPPAVPA

Column change0.10.10.20.1
MP ratio change (56 : 44)0.90.050.10.4
MP ratio change (54 : 66)0.50.80.30.1
Flow rate change (1.10 mL/min)1.61.41.10.6
Flow rate change (1.3 mL/min)1.40.30.20.1

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