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-BPB ion-pair complex.</table>

International Scholarly Research Notices

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Scheme 1

Scheme 1: Use of Two  Sulfonphthalein Dyes for the Sensitive and Selective Extraction-Free Spectrophotometric Assay of Albendazole in Bulk Drug and in Tablets 

Scheme 1 | Use of Two  Sulfonphthalein Dyes for the Sensitive and Selective Extraction-Free Spectrophotometric Assay of Albendazole in Bulk Drug and in Tablets 