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From: "Don Burke" <donburke56@ne*.ne*>
To: "lista techdiver aquanaut" <techdiver@aquanaut.com>
Subject: Re: Another inert gas
Date: Tue, 11 Sep 2001 13:28:24 -0400
Marcelo,

The only use of neon I know of is as a deep gas to avoid helium problems.
The surface supplied guys use it quite often and there is a legend of one OC
dive made with NeOx off the Outer Banks somewhere.  It hardly seems
practical as an OC gas due to the tremendous volumes required for the depths
where neon will do any good.

Argon in a deco mix sounds good at first, but once you run the numbers,
you'll see that it only has advantages for very long stops at 30-60 feet or
so.  Such dives normally use a chamber for deco since any time the 30 foot
stop is very long, the shallower stops are even longer.  We're pretty much
into a saturation dive at that point.

ArgOx has been used for medical research and I imagine that there may be
therapeutic uses.  Argon is much more narcotic than nitrogen, so breathing
it under pressure can be counted on for problems in that regard.

Don

----- Original Message -----
From: Marcelo Moorea Polato <moorea@uo*.co*.br*>
To: lista techdiver aquanaut <techdiver@aquanaut.com>
Sent: 09 September, 2001 15:22
Subject: Another inert gas


Anyone knows about real experiences in using more inert gases during deco ?

Like Trimix as bottom gas, nitrox during the deepest deco stops and argox
(or neox) in the two swallow deco stops.

best wishes

Moorea




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