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Chromatography Research International
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Chromatography Research International
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2011
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Article
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Fig 3
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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 C
18
, 150 mm length × 4.6 mm ID with 5
μ
m 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
μ
L).
(a)
Chromatogram of blank
(b)
Chromatogram of LOD of vinpocetine
(c)
Chromatogram of LOQ of vinpocetine