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Caffeine Crystals and Coffee Chemistry!

Crystals of caffeine are extracted from coffee in this episode of Chemistry in Context. Techniques used include, solid-liquid extraction, liquid-liquid extraction, filtration, sublimation, and re crystallization. We also could have used TLC (thin layer chromatography) to examine the purity of the product - but this will be used in a different video. This content is [...]

By |June 20th, 2015|Chemistry|Comments Off on Caffeine Crystals and Coffee Chemistry!