Research Article

Method Development for Simultaneously Determining Indomethacin and Nicotinamide in New Combination in Oral Dosage Formulations and Co-Amorphous Systems Using Three UV Spectrophotometric Techniques

Figure 6

IND divisor spectrum with 15 μg/mL (black). (1) The mixture spectrum 7.5 + 7.5 μg/mL (indigo), (2) the ratio spectrum of the mixture (blue), (3) the ratio spectrum after constant subtraction (green), (4) the resolved spectrum of NCT (red), and (5) the resolved spectrum of IND (violet).