New Spectrophotometric and Conductometric Methods for Macrolide Antibiotics Determination in Pure and Pharmaceutical Dosage Forms Using Rose Bengal
Figure 6
Molar ratio method plot for 2.5 × 10−4 M rose bengal with 2.5 × 10−4 M Cu(II) chloride in presence of excess erythromycin thiocyanate (30 g·mL−1); 2.5 × 10−4 M rose bengal with 2.5 × 10−4 M Cu(II) chloride in presence of excess clarithromycin (30 g·mL−1); 1.25 × 10−4 M rose bengal with 1.25 × 10−4 M Cu(II) chloride in presence of excess azithromycin dihydrate (10 g·mL−1). = rose bengal and = Cu(II) chloride.
