> >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 > > 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. Hmmm. Then why use Argon--why not CO2? Adam -- "What? No Geek Code!"
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