Hi Tim,

I buy them at:

Eriks B.V. Postbus 280, 1800 BK Alkmaar, the Netherlands. 
<[log in to unmask]> +31(0)72-5141717
I do not know if they have selling points outside NL.

viton O-ringen 12.37x2.62 Shore A: 70  They last for five or more runs.


tcp121 schreef:
> Greetings...
> Can anyone provide me with a supplier for the o-rings used at the vial 
> connection points on the Kiel Device?  We have been using o-rings from 
> Marco Rubber for the past few years, but now upgraded from a Kiel III 
> to a Kiel IV device.  We are running a few degrees hotter with the 
> Kiel IV, and the phosphoric acid that I'm using is slightly stronger 
> (density of 1.94 g/cm3 instead of 1.92 g/cm3).  Due to one or both of 
> these factors, the viton o-rings from Marco quickly degrade...don't 
> last a whole run before I have crashes due to high leak rates.
> Anyone know of suppliers out there carrying different/better quality 
> of o-rings?
> Thanks...
> Tim Prokopiuk
> -------------------------------------------------
> Tim Prokopiuk
> B. Sc. Geology/Technician
> Saskatchewan Isotope Laboratory
> Room 241
> Department of Geological Sciences
> University of Saskatchewan
> 114 Science Place
> Saskatoon, Saskatchewan, Canada
> S7N 5E2
> Phone: (306) 966-5712
> Fax: (306) 966-8593
> Email: [log in to unmask]