Date: Sat, 23 Feb 2002 16:24:15 -0500

Author: Dick Heckathorn

Subject: RE: Cloud chamber alcohol type?

Post:

Greetings,

Want a higher proof alcohol? Go to the chemistry lab, borrow a condenser
and distill what ever alcohol you have one or more times. Remember to
watch closely the temperature of the alcohol in the heating flask. When
the temperature starts rising towards 100 degrees C, most of the alcohol
has been evaporated so the collecting flask must be removed.

Dick

"Science is nothing more than learning how to communicate with nature in
such a manner that it will talk back."

Helping teachers who facilitate, motivating students who learn.
Dick Heckathorn 14665 Pawnee Trail Middleburg Hts, OH 44130
440-826-0834
Physics Teacher CVCA 4687 Wyoga Rd Cuyahoga Falls, OH 44224
330-929-0575 VM 120


-----Original Message-----
From: owner-tap-l@listproc.appstate.edu
[mailto:owner-tap-l@listproc.appstate.edu] On Behalf Of John Power
Sent: Saturday, February 23, 2002 2:58 PM
To: tap-l@listproc.appstate.edu
Subject: Re: Cloud chamber alcohol type?

William Beaty wrote:

> Hey, is hot alcohol vapor an explosive when mixed w/air? (I.E. could
> electrostatic sparks cause a large chamber to go POOMF?)

While an alcohol-water mixture can be heated, that's distilling after
all,
it *really* is dangerous since alcohol is very flammable and can be used
as a fuel.

John Power
Argonne National Lab

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