Research Article

Development and Validation of RP-HPLC Method for Quantitative Estimation of Vinpocetine in Pure and Pharmaceutical Dosage Forms

Figure 3

Typical chromatogram of (a) blank, (b) LOD of vinpocetine, and (c) LOQ of vinpocetine. (Chromatographic conditions-Zorbax C18, 150 mm length × 4.6 mm ID with 5 μm particle size column; mobile phase-buffer (containing 1.54% w/v ammonium acetate solution): acetonitrile (40 : 60, v/v); flow rate 1.0 mLmin−1; column temperature 30°C; wavelength 280 nm and injected volume 10 μL).
801656.fig.003a
(a) Chromatogram of blank
801656.fig.003b
(b) Chromatogram of LOD of vinpocetine
801656.fig.003c
(c) Chromatogram of LOQ of vinpocetine