Journal of Chemistry / 2013 / Article / Fig 1

Research Article

Development and Validation of a Method for the Quantification of an Alkaloid Fraction of Himatanthus lancifolius (Muell. Arg.) Woodson by Ultraviolet Spectroscopy

Figure 1

Selectivity of the method developed for the alkaloid fraction of H. lancifolius (30 μg/mL) (a) with yohimbine hydrochloride (22 μg/mL) as reference (b) and the methanol as solvent (c) observed between 200 and 400 nm.
652392.fig.001

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