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Stable Isotope Geochemistry

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Subject:
From:
Ulrich Flenker <[log in to unmask]>
Reply To:
Stable Isotope Geochemistry <[log in to unmask]>
Date:
Wed, 10 Nov 2004 18:20:20 +0100
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TEXT/PLAIN
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On Wed, 10 Nov 2004, Suzanna Richter wrote:

> Hi.
> We have a Thermo Finnigan Delta plus and are running cellulose oxygen samples.
> Over the past couple of months our CO reference gas voltage has decreased
> gradually from 2000 to 300 mV.
> Does anyone know what could have caused this AND how to remedy it?
>
> Thanks in advance,
> Suzanna Richter
> Graduate Student
> Department of Earth & Environmental Science
> University of Pennsylvania
>

Have you tried to focus the ion source?

--
        Uli Flenker

        Institute of Biochemistry
        German Sport University Cologne
        Carl-Diem-Weg 6
        50933 Cologne

        +49(0)221/4982-5060

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