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Stable Isotope Geochemistry

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Stable Isotope Geochemistry <[log in to unmask]>
Date:
Mon, 23 Feb 2004 17:14:14 -0800
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Hi,

I happened to see the separation between CO and N2 is pretty well by using
CN column provided by MicroMass for Euro Vector EA. CO is about 2.5 minutes
after N2.

Dachun Zhang
Zymax


----- Original Message -----
From: "Hilary Stuart-Williams" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Monday, February 23, 2004 2:45 PM
Subject: [ISOGEOCHEM] What GC column for CO separation?


> Could I ask what columns people are using to separate CO from N2 after
> pyrolysis?
>
> I am using an Alltech 5A mole sieve in a 1/4" SS tube at the moment and
the
> separation is good, but I'd like to get the back pressure down if
possible.
>
> Is there anything new out there (after seeing the previous discussion)?
>
> Hil
>
> .
>
> Hilary Le Q. Stuart-Williams PhD.
> Research Officer in Stable Isotopes
> Environmental Biology Group
> Research School of Biological Sciences
> Australian National University
> Canberra, ACT, Australia
> (02) 6125 2099
> Personal home: www.webone.com.au/~hnksw
>

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