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Subject:

H/D analyses TC/EA peak shape problem

From:

HENK JANSEN <[log in to unmask]>

Reply To:

Stable Isotope Geochemistry <[log in to unmask]>

Date:

Tue, 14 Mar 2006 15:01:32 +0100

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text/plain

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text/plain (23 lines)

Dear listmembers,

In our 1500 degrees  TC/EA instrument connected to a Micromass isoprime 
we encountered the following problem.
During ONE H2 analyses batchrun the sample peak for the SAME watersample 
differs in height and shape.
elution time for the 'wide' peak is a little later. (about 10 sec)
referencegas  peak remains constant both in height and elution time.
any suggestions what to look for?

Henk Jansen

-- 
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H.G. Jansen
CIO/RuG
Nijenborgh 4
9747 AG Groningen
during office hours + (0)50-3634756
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http://www.cio.phys.rug.nl
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