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

Figure 3

Graphical representation of data residues used to determine the method linearity for solutions of Yohimbine at 16, 18, 20, 22, 24, 26, and 28 μg/mL.