[at-l] Liquification

[The Wizard <tschamp@tiac.net>]

At 11:57 AM 9/23/99 -0400, W F Thorneloe, MD wrote:
>Propane is often a problem in very cold climes, as it may 
>liquify, and fail to become a gas. 

Technically, I think this is incorrect, for temps down to, say, 0 deg F.
(Chemistry guys, help me out...)  Butane is the one that liquefies first,
being "thicker" than propane.  So the question arises: what is really in
the canisters?  Years ago, didn't those blue "Gaz" cartridges have a
mixture of the two compounds for some reason?
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The Wizard!  Taking his time getting there... 
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