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Cider Digest #0432
Subject: Cider Digest #432 Mon Apr 18 18:00:03 EDT 1994
Date: Mon, 18 Apr 94 18:00:03 -0400
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Cider Digest #432 Mon Apr 18 18:00:03 EDT 1994
Forum for Discussion of Cider Issues
Jay Hersh, Digest Coordinator
Contents:
Don't boil pressurized bottles. (_Ralph Reed)
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Date: Mon, 18 Apr 1994 09:05:24 -0700 (PDT)
From: _Ralph Reed <reedr@BCC.ORST.EDU>
Subject: Don't boil pressurized bottles.
The boiling of pressurized champagne bottles is dangerous because of a
build-up of pressure. This happens because of two reasons. One, the
solubility of a gas in a liquid is less at higher temperatures. (Notice
how a cold can of Coke will foam a lot more when it is poured into a warm
glass.) Two, increasing the temperature increases the pressure of a gas.
(Try taking a beer out of a hot trunk in the summer and opening it.)
I think that many people are very casual about the pressures involved in
making, for instance, champagne. The pressure is about 6 atmospheres or
almost 90 pounds per square inch, all incased in glass!
I make bubbly at home and I try to retain a certain amount of
healthy paranoia. It is a good idea to handle bottles while wearing some
type of glasses, especially when they are warm. In the champagne industry,
they always plan on a certain amount of breakage, as much as 50% back in
the early days of Champagne and more like less than one percent these days.
An eye doctor acquaintance here in Oregon told me that two of the
largest sources of injuries that give him business are racquet balls and
"champagne" corks.
Enjoy!
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