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 2

The zero-order UV absorption spectra of (1) indomethacin (20 μg/mL) with 318 nm peak, (2) nicotinamide (20 μg/mL) with 261.5 nm peak, (3) their binary mixture (NCT 10 μg/mL + IND 10 μg/mL), and (4) the same mixture with 20 μg/mL of both.