Water would do it also.  It is  hard to slip it over the capillary, but
after a number of trying it can be done.



Kinga Revesz
Chemist, Stable Isotope Laboratory
U.S.Geological Survey
MS 431
Reston, VA 20192
T:703-648-5865
FAX: 703-648-5274



                    Torsten Vennemann
                    <torsten.vennemann@UNI-TUE        To:     [log in to unmask]
                    BINGEN.DE>                        cc:
                    Sent by: Stable Isotope           Subject:     Re: GC-IRMS and nafion
                    Geochemistry
                    <[log in to unmask]>


                    02/13/01 10:35 AM
                    Please respond to Stable
                    Isotope Geochemistry





Dear Bill,

you can soften and expand it with Methanol, then slip it over and let it
dry.

Greetings,

Torsten.

--------------------------------------
Dr. Torsten Vennemann
Institute for Mineralogy, Petrology and Geochemistry
University of Tuebingen
D-72074 Tuebingen
Germany

Tel: +49 (0)7071 29 74992
Fax: +49 (0)7071 29 5713
------------------------------------------

> Hello All,
>
> I was curious if anyone has replaced their Nafion tubing on the dryer
> system in the interface with a Finnigan GC-IRMS?  And if so, how do
> you ever get the tubbing to slip over the capillary tubing, or do you
> have to purchase this pre-made (I did check Permapure, but there was
> nothing on their web site).
>
> Thanks,
>
> Bill Anderson
>
>
>
>
>
>
> --
> William Anderson
> Assistant Professor
> Earth Sciences Department and Southeast Environmental Research Center
> Florida International University
>
> Mailing address:
> Dept. of Earth Sciences, PC 344
> FIU
> 11200 S.W. 8th Street
> Miami, FL  33199
> USA
>
> office: 305 348 2693, sec. 348 3572
> SERC stable isotope lab:  305 348 3044
> fax: 305  348 3877
> email: [log in to unmask]