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October 2017

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JEOL-Focused Probe Users List <[log in to unmask]>
Date:
Fri, 20 Oct 2017 08:44:30 -0400
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JEOL-Focused Probe Users List <[log in to unmask]>
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Owen Neill <[log in to unmask]>
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Our lab also uses the Struers mounts, and they are quite effective. You can
use vaseline as the mould releasing chemical - coat the walls of the mould
in vaseline, pour or arrange your grains on the bottom, and pour the epoxy
in over it. The only drawback is you can't use hot-cure epoxy like
Petropoxy because the moulds will melt at those temperatures.

That said, the rings you're looking for are, I believe, still sold by
Buehler - part #208151100,
https://shop.buehler.com/ring-forms-plastic-1odx34

Good luck,
OKN

On Fri, Oct 20, 2017 at 8:18 AM, Aylward, Wanda <[log in to unmask]> wrote:

> Our labs regularly make the epoxy mounts using materials from Struers.
> The below is forwarded on John Hanchar's behalf:
>
> "Struers sells them made of polyethylene but they need to be lined with a
> mould releasing chemical  (silicone oil also from Struers) that dries and
> keeps the epoxy from adhering to the walls. Note, they are 25 mm diameter
> and not one inch (25.4 mm) which is preferred for most EPMA, LA, and SIMS
> applications."
>
> Cheers
>
> Wanda
>
>
> -----Original Message-----
> From: JEOL-Focused Probe Users List [mailto:[log in to unmask]] On
> Behalf Of John H Fournelle
> Sent: October-20-17 9:30 AM
> To: [log in to unmask]
> Subject: [PROBEUSERS] in search of 1" diameter cylinders for epoxy
> mounting grains for EPMA
>
> Last time I checked, all the suppliers were no longer carrying these
> cylinders. Someoine just asked me so I pass this on to the list; do you
> know of a supplier (at reasonable cost) of these cylinders (fiberboard I
> think they were). Please respond to the list if you know of a supplier.
> Otherwise the solution is finding the proper OD tubie/pipe and cutting it.
>
> Thanks.
>
> John
>
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> JEOL Probe Users Listserver
>
> Moderator: Anette von der Handt, [log in to unmask],
> Electron Microprobe Lab, University of Minnesota
>
> Post a message: send your message to [log in to unmask]
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-- 
Dr. Owen K. Neill
Manager, Electron Microbeam Analysis Laboratory
School of Earth and Environmental Sciences
2007 C.C. Little Science Building
Phone: (734) 615-6657
Web: https://sites.lsa.umich.edu/emal/

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JEOL Probe Users Listserver

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Electron Microprobe Lab, University of Minnesota

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