Simple Atomic Absorption Spectroscopic and Spectrophotometric Methods for Determination of Pioglitazone Hydrochloride and Carvedilol in Pharmaceutical Dosage Forms
Figure 5
Effect of volume of M bismuth subnitrate on the ion pair formed with (i) 20 μgmL−1 PGZ-HCl and 0.5 mL 0.5 M potassium iodide and (ii) 40 μgmL−1 CRV and 0.7 mL 0.5 M potassium iodide.