You are asked to extract the alkaloid caffeine from tea and to purify the product. You are provided with the following information.
a) Caffeine is soluble in hot water (18 g/100 ml) but less soluble in cold water (2.2g/100ml).
b) Caffeine is a white compound. the materials that give tea solution a brown color, for example tannins, are soluble as sodium salts in cold water.
c) Caffeine is very soluble in cold dichloromethane.
d) Caffeine is soluble in benzene or toluene hot, but less soluble cold. It is insoluble in petroleum ether either hot or cold.
-----> Design an experiment to do this. You must provide the following information.
1) A procedure detailing the consecutive steps, unit operations, you will perform.
2) The materials you will use at each step. You are not expected to provide details of quantities at this point.
thank you so much!
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I'm sorry but most of us here don't have the time to write a chapter. If you will tell us how we can help you get started we can help with that but I don't think any one will write your paper for you.
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