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 3
The zero-order UV absorption spectra of (1) nicotinamide 20 μg/mL (red), (2) indomethacin 20 μg/mL (blue), and the dosage formulations of indomethacin with the same concentration ((3) immediate-release capsules (green), and (4) sustained-release ones (purple)).