Have a look to Altech Chromatography supplier (http:// 
www.alltechweb.com/)

Ref: RF-200/100-T (reducing ferrules 1/8" to 1/16")

We use these in our lab.

Olivier


Le 18 janv. 07 à 11:03, J T Hill a écrit :

> Hello
>
> Does anyone know where we can buy PTFE ferrules used on the gas  
> lines of our Delta isotope instruments?
> They are used for connecting 1/8" Swagelock fittings but have a  
> 1/16" ID.
> I have tried most of the chromatography suppliers but they do not  
> keep this unusual size fitting.
>
> Regards
>
> John
>
> John Hill
> Mass Spectrometry Facility
> University College London
> Chemistry Department
> 20 Gordon St.
> London
> WC1H 0AJ
>
> Tel:  020 7679 4605
> Fax: 020 7679 7451

*****************************
Olivier MATHIEU
UMR 5561 Biogéosciences
Université de Bourgogne
UFR des Sciences de la Terre et de l'Environnement
6, bd Gabriel
F-21000 Dijon
FRANCE
tel 33 (0)3 80 39 39 72
fax 33 (0)3 80 39 63 87