removing caffeine

[phys1618]

1. The problem statement, all variables and given/known data

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

2. Relevant equations



3. 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

--
chemical calculators (http://www.chembuddy.com) - buffer calculator (http://www.chembuddy.com/?left=Buffer-Maker&right=buffer-calculator), concentration calculator (http://www.chembuddy.com/?left=CASC&right=concentration_and_solution_calculator)
www.titrations.info (http://www.titrations.info) - all about titration (http://www.titrations.info) 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