Charcoal treatment is not enough for biological fluid. We always distill
such samples. Otherwise, the syringe may be frozen during the first run.
----- Original Message -----
From: "RIPOCHE Natacha" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Thursday, December 02, 2004 2:40 AM
Subject: [ISOGEOCHEM] EuroVector LAS
> Dear Eurovector LAS users,
> have you already have something similar ?
> since one week, I started to analyse 18O in urine samples with EA
> EuroPyrOH/IRMS Isoprime. But the LAS gives problems :
> the plunger of the SGE plunger-in-needle syringe is "busy"
> after around 50 injections of urine sample (which are treated by activated
> The resistence of the plunger in the needle stops the LAS during sequence.
> So does it mean we must change the syringe type ?
> or the sample treatment ?
> Moreover since yesterday, the LAS stopped itself during sequences
> (after one or two injections).
> The screen switched off and restarted with Tray identification.
> I have tested the fuses and the connexions, which are good.
> Any help would be greatly appreciated.
> Best regards.
> Natacha RIPOCHE
> CHU Hotel Dieu
> 3 étage aile Nord
> Place Alexis Ricordeau
> 44093 Nantes cedex 1
> Tel : 00 33 02 40 08 75 40
> Fax : 00 33 02 40 08 75 44