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What is Caffeine Extraction from Coffee about?

This document describes a procedure to extract caffeine from coffee using methylene chloride. Caffeine is first extracted from a coffee solution into a methylene chloride layer. The methylene chloride layer is then filtered and the caffeine is left behind as a residue after evaporating the solvent. The residue is weighed and its melting point is taken to identify it as caffeine, which has a reported melting point of 238°C.

Author

Luis J. Romero

Language

EN