Stable Isotope Geochemistry


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Sender: Stable Isotope Geochemistry <[log in to unmask]>
From: Steve Nelson <[log in to unmask]>
Date: Thu, 16 Oct 1997 15:02:20 -0500
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Reply-To: Stable Isotope Geochemistry <[log in to unmask]>
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Carolyn and others,

        Having used lines built by others, but never having built one
myself, I need to take advantage of your experience...

        For the Kel-F vessels, are you using stainless steel or teflon
ferulles [sp?] with the swagelok fittings?  Thanks to all for the
information on wall thickness/internal diameter.  Obviously a sturdy wall
is needed.

        In general, what type of ferulle is recommended with metal-to-metal
swagelok connections--teflon or steel?


>Our Kel-F tubes have been drilled to 5/8 internal
>diameter, i.e. 3/16 wall thickness.  We are using
>Swage-lok fittings, and it is important to have a good
>wall thickness.
>Good luck with your line
>Carolyn Chenery
>NERC Isotope Geosciences Laboratory
>Kingsley Dunham Centre
>Keyworth, Nottingham UK NG12 5GG
>Tel :   +44 (0)115 9363100 (Switchboard)
>Tel :   +44 (0)115 9363406 (Direct Line)
>FAX:  +44 (0)115 9363302
>e-mail [log in to unmask]

Steve Nelson
Dept. of Geology
673 WIDB
Brigham Young University
Provo. Utah  84602

voice:  1-801-378-8688
FAX:  1-801-378-8143

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