On 06/04/2012 11:40 AM, dave wrote: >> Nope, the label on this one sez "Ethyl Alcohol, U.S.P" >> 200 proof >> Anhydrous >> For industrial use only >> Bottled by The Warner-Graham Company in Cockeysville, MD, just down >> the road a bit from me here at work. >> > 200 proof is anhydrous only until you open the bottle especially in > high humidity areas. No way to win that one it is just too hydroscopic. > There are a couple of way to make anhydrous alcohol, the industrial way > by azeotropic distillation with benzene which will leave traces of > benzene; very hard on the liver and distillation over sodium. > Naturally, all of us keep a still with ground glass joints and a pound > of sodium around just so we can make 200 proof. ;-) > > Dave > Not that I'd know anything about stills and such... ;-)
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