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At 11:56 PM 12/26/95 -0500, you wrote:
>In the recent past several months. someone posted a list of thermal 
>conductivities of helium, argon, air, et al. I can't find my list. Please 
>post it again. If you are worried about breathing argon, use air as 
>inflation gas. It's about as good re: thermal properties, if I remember 
>the list correctly. On the down side, if you are breathing your 
>inflation gas, death by breathing air deep validates anti-deep air 
>sentiment better than deep argon. So use argon and avoid putting your 
>mouth and/or nose beneath your neck seal and breathing the inflation 
>gas in your dry suit. Rod
>--
>Send mail for the `techdiver' mailing list to `techdiver@terra.net'.
>Send subscription/archive requests to `techdiver-request@terra.net'.
>
Rod,

Here are the thermal conductivity valves from the CRC handbook of Chemistry
and Physics  (values are listed at 80 degrees F):

Air      =  62.20   
Argon    =  42.57
CO2      =  39.67
Helium   = 360.36 
Hydrogen = 446.32
Neon     = 115.71
Nitrogen =  62.40
Oxygen   =  63.64

See the CRC Handbook of Chemistry and Physics, page E02.

John

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