shadow
Hazard to Self
Posts: 52
Registered: 17-10-2007
Member Is Offline
Mood: No Mood
|
|
butanol extraction
I read some literature that says to remove trace elements of n-butanol (bp 117)from a compound, to mix with a little water(bp 100), and distill off
the alcohol, then crystilize the solid from the water.
This doesn't made sense to me as the water would come off first.
It seems that a solvent with a higher bp than butanol should be used, but then how would you know that the separation of the solid and the new solvent
was complete.
Calcium oxide in a dessicator would remove remove the butanol, would it not?
|
|
|
not_important
International Hazard
Posts: 3873
Registered: 21-7-2006
Member Is Offline
Mood: No Mood
|
|
Water and n-butanol have an azeotrope that boils at 93 C, I think the split is around 45% water and 55% butanol.
Likely this should have been in the "short questions" thread.
|
|
|
![[*]](images/xpblue/default_icon.gif){kind=icon}
