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This document provides instructions for purifying the antibiotic sulfanilamide through recrystallization. Sulfanilamide samples will be dissolved in 95% ethyl alcohol, which is an appropriate solvent due to their similar polarities. The solution will be cooled first to room temperature and then in an ice bath to crystallize purified sulfanilamide, leaving impurities dissolved in the solvent. Students will weigh samples before and after to calculate recovery percentage and determine purity through melting po

Author

Mangal MK

Language

EN