We get them from Omnifit (Western Analytical is our local supplier).
They come in about 5cm square sheets, and I think there are several
porosities to choose from.  Both companies are on the web.

Jocelyn Turnbull

>Hello all,
>
>I am attempting to locate a supplier of Polyethylene Sheets (~ 1 mm
>thick) to be used as frits in ion-exchange columns.  I have contacted
>Bel-Art Scientific several weeks ago, but received no reply.  Does
>anyone know of any other suppliers for this stuff?
>
>Thanks in advance.
>
>Regards,
>Michael Wieser.
>_____________________________________________________________
>Michael Wieser                   [log in to unmask]
>Isotope Research Group                  Phone: (403) 220 3641
>Dept. Physics and Astronomy               Fax: (403) 289 3331
>University of Calgary
>Calgary, Alberta, Canada
>_____________________________________________________________

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Jocelyn Turnbull
Staff Chemist
INSTAAR - AMS Radiocarbon Lab
University of Colorado at Boulder
1560 30th St                                    ph (303) 735 6611
Campus Box 450                  fax (303) 492 6388
Boulder, CO 80309-0450, USA             [log in to unmask]

http://www.Colorado.EDU/INSTAAR/RadiocarbonDatingLab
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