Extraction of Caffeine from Tea

Extraction of Caffeine from Tea - Michael Chelala TA...

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Michael Chelala TA: Jaylene Ollivierre Date of Experiment: 9/17/2007 Submission Date: 9/24/2007 Extraction of Caffeine from Tea
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Objective: The objective of this experiment is to extract the chemical compound caffeine from a natural source; which in this case is tea. Reaction Equations: None Procedure: Put 15mL of water, 2 grams of sodium carbonate, and a glass stirring rod into a 50mL beaker. Boil the solution in the 50mL beaker on a hot plate. Also place 35mL of water into a 50mL Erlenmeyer flask and heat that as well. Remove the stirring rod from the beaker, and place a teabag into the solution for at least 5 minutes. After the teabag has boiled for some time, squeeze as much water from it as possible. Rinse the teabag with 2mL of hot water from the Erlenmeyer flask. Bring the tea solution to a boil again and add a second teabag. After 5 more minutes, squeeze the water from the bag and rinse it in 2mL of hot water from the Erlenmeyer flask. Boil off or add more water so that the solution is around 10mL. Poor the tea into a
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This lab report was uploaded on 04/07/2008 for the course CHM 211 taught by Professor Hemmati during the Fall '08 term at Northeastern.

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Extraction of Caffeine from Tea - Michael Chelala TA...

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