BG,

Refering to your second question below, we have the same instrumentation and
run all materials for delta N & C with the GC column outside the oven at
room temp (~22C).

>From: Bruno Glaser <[log in to unmask]>
>Reply-To: Stable Isotope Geochemistry <[log in to unmask]>
>To: [log in to unmask]
>Subject: Problems with Carlo Erba NC 2500
>Date: Thu, 28 Sep 2000 09:16:16 +0200
>
>Dear Isogeochem listmembers,
>
>since yesterday I have a problem with our Carlo Erba NC 2500 coupled with a
>Thermoquest Delta plus mass spectrometer: The GC oven of the elemental
>analyzer
>does not heat anymore. It has reached an equilibrium temperature of 29°C
>now and
>although the yellow LED of the manifold is on the temperature does not
>increase
>anymore. So my questions are:
>
>1. May I resolve the problem myself or is it necessary to contact to the
>service
>engeneer?
>2. Is it possible to run samples at this low oven temperature???
>
>Many thanks in advance
>
>Bruno
>
>Dr. Bruno Glaser
>Insitute of Soil Science and Soil Geography
>University of Bayreuth
>D-95440 Bayreuth
>Germany

-------------------------------------------------
Robert D. Stickrod II
Idaho Stable Isotopes Laboratory
Department of Forest Resources
College of Natural Resources, 214
P.O. Box 441133, University of Idaho
Moscow, ID 83844-1133, U.S.A.
[log in to unmask]
lab: (208) 885-6512
fax: (208) 885-6226
--------------------------------------------------

_________________________________________________________________________
Get Your Private, Free E-mail from MSN Hotmail at http://www.hotmail.com.

Share information about yourself, create your own public profile at
http://profiles.msn.com.