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How long to let MgSO4 sit in acetone to make it anhydrous? Options
 
Karnov
#1 Posted : 8/9/2013 4:48:13 AM

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Sorry--I tried a search but didn't see an answer for this. How long do you let the anhydrous epsom salts sit in the acetone to convert the acetone to anhydrous acetone?

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benzyme
#2 Posted : 8/9/2013 5:35:58 AM

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magnesium sulfate won't make acetone anhydrous, as acetone forms an azeotrope.
it will dry it out to some extent, though. doesn't take but a few seconds, to a minute.
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Metanoia
#3 Posted : 8/9/2013 8:34:32 AM

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I would let it settle for at least 24 hours after adding it to the acetone, however.
 
Karnov
#4 Posted : 8/10/2013 12:54:11 AM

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Ok. Thanks to both! Smile
 
 
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