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Hi Len,

I use the McIlvin and Casciottii 2011 needle (full citation at wiki as
indicated by Alison). Note, however, the bulkhead part number in the RCM
paper is incorrect. It should be 'ZBRU1.5T'.

andy

On Wed, Feb 22, 2017 at 4:44 AM, Alison Pye <[log in to unmask]> wrote:

> Len:
>
>
>
> Check out isogeochem wiki pages. Under repair tips there are two listed
> (bottom of the page). I have used the second one listed, “DIY GasBench
> Needles.pdf” posted by Stephen Romaniello. All parts are listed, which is
> handy. And it is a very sturdy setup. I’ve used glass capillary tubing I
> already had as the return (sampling) tubing on the needle so that I can
> still monitor for moisture in the line. I’ve been using on my GasBench.
> Works well.
>
>
>
> --Alison
>
>
>
> [image: ---]
>
> Alison Pye • [log in to unmask]
>
> Stable Isotope Lab Coordinator
>
> CREAIT • TERRA Facility • Stable Isotope Lab
>
> Alexander Murray Building
>
> Memorial University of Newfoundland
>
> St. John's, NL • Canada • A1B 3X5
>
> ph: (709) 864-3217 • fax: (709) 864-2589
>
> http://www.mun.ca/research/resources/creait/physical-sci/terra/sil
>
>
>
>
>
> *From:* Stable Isotope Geochemistry [mailto:[log in to unmask]] *On
> Behalf Of *WASSENAAR, Leonard Irwin
> *Sent:* February 22, 2017 6:58 AM
> *To:* Alison Pye
> *Subject:* Double walled needle recipe
>
>
>
> Colleagues –
>
>
>
> Does anyone have a great recipe and parts list for the construction of a
> double-walled side-port or bottom-port needle, the kind where the
> bottom/side port can be sealed by holding inside a 2-3 mm thick vial septa
> and the rest flushed with He gas?  E.g. for use on Gasbench, Trace Gas,
> Multiflow, etc.
>
>
>
> Len
>
>
>
> *Leonard WASSENAAR, Ph.D. *|Team Leader |
>
> Department of Nuclear Sciences and Applications | Isotope Hydrology
> Laboratory |
>
> International Atomic Energy Agency | Vienna International Centre, PO Box
> 100, 1400 Vienna, Austria |
>
> Email: [log in to unmask]  | T: (+43-1) 2600-21766|
>
>
>
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-- 
Andrew Schauer
206.543.6327
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*http://isolab.ess.washington.edu/ <http://isolab.ess.washington.edu/>*