Hi John...

We've purchased capillaries that we were able to run successfully with 
for our MAT 251 from Supelco many years ago.  Their website:  
http://www.sigma-aldrich.com/supelco

Good luck!

Tim

On Thursday, December 22, 2005, at 09:43 AM, J T Hill wrote:

> Hiya All
>
> Does anyone know a source of stainless steel capillaries for the dual 
> inlet on a MAT253? We have tried numerous suppliers but to no avail.
> Basically the sample and reference capillaries on our MAT253-Kiel 
> device got contaminated and they need to be replaced. It turns out 
> that the size required is 0.7mm (OD) x 0.12mm (ID) x 1160mm long. We 
> bought some lengths from a UK supplier but these had an ID of 0.40mm 
> which is too large. We cannot control the flow rate to a consistent 
> level when balancing the crimps.
> If anyone has had this problem with replacing capillaries on dual 
> inlets we would like to hear from them. The cost of buying them from 
> Thermo is prohibitive. The Swagelock ends are actually silver soldered 
> to the outside and we have been connecting them to an HPLC pump to 
> clean them out with solvent prior to installing.
>
> Regards
>
> John Hill
>
> John Hill
> Mass Spectrometry Facility
> University College London
> Chemistry Department
> 20 Gordon St.
> London
> WC1H 0AJ
>
> Tel:  020 7679 4605
> Fax: 020 7679 7451
>

-----------------------------------------------
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]