Methods for Removing Caffeine: Column Chromatography, Distillation, and More

[phys1618]

Homework Statement

what are the types of methods to use to remove caffeine?

Homework Equations

The Attempt at a Solution

column chromatography, distillation, Solid phase extraction and Tlc chromatography

 

[DaveC426913]

Um, pass the coffee beans through a civet in the reverse direction (regardless of how unhappy the civet is about it)?

 

[phys1618]

what is a civet?

is my answers correct though?

 

[DaveC426913]

what is a civet?

http://en.wikipedia.org/wiki/Kopi_Luwak

is my answers correct though?

I do not know. Sorry.

 

[Borek]

http://en.wikipedia.org/wiki/Decaffeination

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methods

 

[phys1618]

i read the links thank you for the info. However, is there any other way to perform an isolating caffeine organic lab experiment besides using methylene chloride?

 

[Ygggdrasil]

Here's a discussion thread with information about isolating caffeine from tea leaves. Both procedures mentioned in the thread do not use methylene chloride:

http://www.chemicalforums.com/index.php?topic=7094.0