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Caffeine Extraction - Essay and Term Paper
Caffeine Extraction
Purpose: To extract Caffeine from containing solutions.
Reference: Williamson, Organic Experiments
Reactions:
Table of Properties: Part 1
Solution Weight of Flask (Empty) Weight of Caffeine Weight of Tea Bag Percent Yield
Tea Bag 171.09g .28g .028g 10%
Table of Properties: Part 3
Solution Weight of Flask (Empty) Weight of Caffeine Percent Yield
Cola 107.67g .07g .14%
Procedure: Part 1
Procedure Observation
1. Add 10 tea bags, 20g Na2CO3, to 225mL of boiling water Turned Black
2. Steep for 7 minutes No change
3. Decant into flask No Change
4. Add 50mL of hot water to teabags and decant Turned black
5. Combine Extracts No Change to either extract
6. Cool to room temperature and extract twice with 30mL CHCl3 Separates into two layers (clear and black)
7. Collect Organic Layer No Change
8. Dry solution with anhydrous CaCl2; Decant and evaporate Solution turns clear.
Procedure: Part 2
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Total Word Count: 472
Page Count: 1.8 (250 words a page / double spaced)
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