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Extraction of caffeine - Coggle Diagram
Extraction of caffeine
Measure 100.0 mL of energy drink
use powder funnel to pour into a 250 mL separator funnel
IN FUME HOOD add 10 mL of dichlomethane to the separatory funnel
Shaking and venting technique to extract caffeine from aqueous layer
gently swirl the separatory funnel, avoid emulsion
when no more vapours are escaping, proceed to next step
hold separatory funnel in horizontal position and gently rock back and forth
complete lower layer should be separated from the upper layer
BACK AT STATION remove stopper from funnel and right away cover opening with inverted small beaker
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