Simple Atomic Absorption Spectroscopic and Spectrophotometric Methods for Determination of Pioglitazone Hydrochloride and Carvedilol in Pharmaceutical Dosage Forms
Figure 11
Absorption spectra of (a) the reaction of 2.5 μgmL−1 CRV with 1 mL fast green FCF (0.01%, w/v), (b) 1 mL fast green FCF(0.01%, w/v) against methylene chloride, and (c) 2.5 μgmL−1 CRV against methylene chloride.
