Date Sheet Extraction ODD EVEN ODD EVEN GROUP Single Extraction 1 Single Extraction 2 Multiple Extraction 1 Multiple Extraction 2 Weight of tea leaves 10.002 (g) 10.123 (g) 10.013 (g) 10.007 (g) Weight of evaporating dish + caffeine 123.689 (g) 124.334 (g) 121.815 (g) 126.523 (g) Weight of empty evaporating dish 123.513 (g) 124.147 (g) 121.614 (g) 126.246 (g) Weight of caffeine Post Lab Questions Explain the principles involved in extraction. What other organic compounds can be extracted from tea bags? Draw their structures and briefly mention their biological function/s. Why do you need to add sodium carbonate in the extraction process?
Date Sheet Extraction ODD EVEN ODD EVEN GROUP Single Extraction 1 Single Extraction 2 Multiple Extraction 1 Multiple Extraction 2 Weight of tea leaves 10.002 (g) 10.123 (g) 10.013 (g) 10.007 (g) Weight of evaporating dish + caffeine 123.689 (g) 124.334 (g) 121.815 (g) 126.523 (g) Weight of empty evaporating dish 123.513 (g) 124.147 (g) 121.614 (g) 126.246 (g) Weight of caffeine Post Lab Questions Explain the principles involved in extraction. What other organic compounds can be extracted from tea bags? Draw their structures and briefly mention their biological function/s. Why do you need to add sodium carbonate in the extraction process?
Chapter12: Water Requirements For Aquaculture
Section: Chapter Questions
Problem 27SA
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Date Sheet
|
Extraction |
ODD |
EVEN |
ODD |
EVEN GROUP |
|
Single Extraction 1 |
Single Extraction 2 |
Multiple Extraction 1 |
Multiple Extraction 2 |
|
|
Weight of tea leaves |
10.002 (g) |
10.123 (g) |
10.013 (g) |
10.007 (g) |
|
Weight of evaporating dish + caffeine |
123.689 (g) |
124.334 (g) |
121.815 (g) |
126.523 (g) |
|
Weight of empty evaporating dish |
123.513 (g) |
124.147 (g) |
121.614 (g) |
126.246 (g) |
|
Weight of caffeine |
|
|
|
|
Post Lab Questions
- Explain the principles involved in extraction.
- What other organic compounds can be extracted from tea bags? Draw their structures and briefly mention their biological function/s.
- Why do you need to add sodium carbonate in the extraction process?
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