I had problem with my T peace,I changed it for a glass peace with 3 ways :
uinversal quick-seal splitter (chrompack ...). It's less heavy and there's
less adsorption. There is only one disadvantage: you can't the FID because
there are only 3 ways.

Laure-Amélie






> -----Message d'origine-----
> De : Stable Isotope Geochemistry [mailto:[log in to unmask]]De la
> part de william anderson
> Envoyé : mercredi 28 juin 2000 23:32
> À : [log in to unmask]
> Objet : [ISOGEOCHEM] GC-IRMS
>
>
> Hello All,
>
> A quick question.  We keep on noticing that on our GC the Valco tee
> fittings for the He back-flush (for the column), do not stay tight.
> I realize that overtime fittings will become lose do to vibration
> (our GC sits on top of the IRMS), but I am observing this occurring
> after a standard ramping cycle of the ovens (80 to 300 C, and then
> back down).
>
> Is there a fix?  Every morning I come into the lab, and the fittings
> are a little lose after running a few samples the night before (and
> backgrounds are high).
>
> Thanks,
>
> Bill
>
>
>
>
>
>
> --
> William Anderson
> Assistant Professor
> Geology Department and Southeast Environmental Research Center
> Florida International University
>
> Mailing address:
> Geology Dept., 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]