[time-nuts] Swagelok and metric tubing question
phk at phk.freebsd.dk
Sun Nov 13 03:43:34 EST 2016
In message <gk5f2clsh4uld71ta8fq1u3pirrns2o81k at 4ax.com>, Gary Woods writes:
>On Sat, 12 Nov 2016 13:05:56 -0800, you wrote:
>>Does it leak through cracks or migrate through metal?
>I was kinda wondering about that. Isn't H the escape artist of the
In particular it seeps through almost all metals.
(See also: https://en.wikipedia.org/wiki/Hydrogen_embrittlement)
The canonical filter method for hydrogen is to press it through a
"filter" which is a of solid slab of Palladium.
Helium is almost as bad, but is better in leak-checks because it
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