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Brian Kruschel writes, in response to my msg about skin bends on long trimix
dives with argon suit inflation:

>I'm not sure that argon would pose a problem owing to it's relatively
>large size.  Helium diffuses through a balloon relatively quickly >because it
is so small, however air is much slower to leave through >the small pores of
the balloon.  I have not tried it, but venture to say >that an argon filled
balloon would stay full much longer.  For that >reason, (and I can be
corrected here by people who are more familiar >with these things) I would
venture to say that argon would >**probably** not diffuse through the skin
very readily.  (okay please >correct me if I am wrong).

As I wrote in my initial posting, the skin bends I referred to were NOT
attributed to argon absorption but to helium counterdiffusion through the
skin.  I refer you to Wienke et. al. for a discusion of the phenomenon of
counterdiffusion.

John
HeimannJ@ma*.nd*.gt*.co*

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