Simple Atomic Absorption Spectroscopic and Spectrophotometric Methods for Determination of Pioglitazone Hydrochloride and Carvedilol in Pharmaceutical Dosage Forms
Figure 17
Absorption spectra of (a) the reaction of 40 gmL−1 CRV with 0.5 mL orange G (0.2%, w/v), (b) 0.5 mL orange G (0.2%, w/v) against methylene chloride, and (c) 40 gmL−1 CRV against methylene chloride.
