How do you get caffeine to seperate from whatever it happens to be in?

Question

Oh and i mean somthing rational. like do it yourself...and in english plz lol

Answer 1

caffeine is highly soluble in dichloromethane, which is a halogenated alkane.
In this process an aqueous (water) solution containing caffeine and other chemicals is mixed with dichloromethane. The caffeine dissolves into the organic phase (when you add an organic liquid to an aqua solution you get 2 phases - water and organic) and you can separate the 2 phases. The problem is that you still have stuff in the organic phase together with the caffeine. To get rid of some of them (for example tannins from tea leaves), you can add sodium carbonate which turns them into insoluble salts that are easily separated from the liquid by sieving them out.
Finally you can evaporate the dichloromethane and you are left with crystallized caffeine, which you will need to wash with alcohol and cold water to get rid of the remnant of the the solvents.

Answer 2

I just buy NoDoz. That way I only get the caffeine. If this is a real
chemistry question, Im sorry, I never learned how to do that.

Answer 3

You can look into things like differential solubilities, recrystallisation, chromatography, ... depending on the scale and what your contaminants are.

Answer 4

that is an industrial process......
i know but how to explain...im thinking..
if u really wants..tell me the purpose..then i will tell..u..ok