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> Will somebody please explain molecular migration and layering in Nitrox t=
o
> me. This just does not make sense to me. Is the molecular weight of
> Nitrogen and Oxygen that different where this is a concern? By blending
> Nitrox we are not taking Oxygen and blending it with Nitrogen but taking
> Oxygen and blending it with air. I am sure I am missing something here b=
ut I
> can=92t understand why I keep hearing the terms, Molecular migration and =
Layerin
> g.
In my uderstanding & experience, this is a non-issue: there is no
stratification when mixing O2 & N2 (unless, perhaps, if the fill rate is
*REALLY* slow).
There *CAN* be layerying/stratification when making heliox ('tho I haven't
seen it happen in trimix yet). If anyone's interested, I can elaborate.=20
Be forwarned, however; it will require more than 250 words ;-)
Aloha,
Rich
Richard Pyle
deepreef@bi*.bi*.ha*.or*
*******************************************************************
"WHATEVER happens to you when you willingly go underwater is
COMPLETELY and ENTIRELY your own responsibility! If you cannot
accept this responsibility, stay out of the water!"
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