Use of Two  Sulfonphthalein Dyes for the Sensitive and Selective Extraction-Free Spectrophotometric Assay of Albendazole in Bulk Drug and in Tablets

<table>Reaction mechanism for the formation of ALB-BTB ion-pair complex.</table>

International Scholarly Research Notices

sch2

Scheme 2

Scheme 2: Use of Two  Sulfonphthalein Dyes for the Sensitive and Selective Extraction-Free Spectrophotometric Assay of Albendazole in Bulk Drug and in Tablets 

Scheme 2 | Use of Two  Sulfonphthalein Dyes for the Sensitive and Selective Extraction-Free Spectrophotometric Assay of Albendazole in Bulk Drug and in Tablets 