Use of Two Sulfonphthalein Dyes for the Sensitive and Selective Extraction-Free Spectrophotometric Assay of Albendazole in Bulk Drug and in Tablets
Figure 4
Job’s continuous variations plot for (a) ALB-BPB ion-pair complex and are volumes of ALB and BPB (both 1.13 × 10−4 M), respectively, and (b) ALB-BTB ion-pair complex and are volumes of ALB and BTB (both 3.02 × 10−4 M), respectively.