Tag : sublimation

Caffeine Isolation from Tea Bags

Abstract: The purpose of this experiment was to determine the yield, percent recovery and melting point of caffeine isolated from tea bag. During the experiment, a tea bag was heated in boiling water for about 15 minutes. The resulting mixture was collected for the extraction of caffeine. Caffeine isolation was accomplished from the mixture using methylene chloride. This is because caffeine is more soluble in methylene chloride than in water. Sodium carbonate was also added to the mixture. This was […]