919180.fig.003
Figure 3: Effect of volumes of the reagents used for method A (CA [0.1%, w/v]), B (p-chloranil [1%, w/v]), and C (TCNQ [0.2%, w/v]) with the drug substance concentration is 150 μg mL−1, 75 μg mL−1, 350 μg mL−1 for methods A, B, and C, respectively.