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To: <JOHNCREA@de*.co*>
Subject: Re: Liquid air?
From: mdufour@CA*.OR* (Marc Dufour)
Cc: techdiver@opal.com
Date: Sat, 25 Mar 1995 11:54:47 -0500

>From the Handbook of Compressed Gases from the CGA, on page 208, 
>the volume expansion ratio for liquid oxygen is 860x, nitrogen is
>696x.  The volume expansion ratio for liquid air is 728x.

  Now, this is interesting:  

  I did the following calculation,

   Oxygen:     860 x 20% =  172

   Nitrogen:   696 x 80% =  556.8

   and       172 + 556.8 =  728.8

  So, am I right in saying that liquefaction compression ratios of mixed 
gases are simply added-up?

  Marc "I'm not a physicist, even if I dive with one!" Dufour...
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