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October 2018

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Subject:
From:
Allaz Julien <[log in to unmask]>
Reply To:
JEOL-Focused Probe Users List <[log in to unmask]>
Date:
Fri, 12 Oct 2018 11:11:51 +0000
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Hi Tod,

I personally do not use the JEOL software for calculating the CO2 content. During the analysis, I simply specify a fixed amount (44% for calcite, 52% for magnesite, 38% for Fe-rich one, or an intermediate value), and recalculate the CO2 content offline using my little web-based script or an XL spreadsheet.

My own online tool is available here, you can simply copy & paste data from excel (without the column “total”): http://ethz.geoloweb.ch/index.php?page=mineral_formula&reset=true

Cheers,

Julien


On 12 Oct 2018, at 13:01, Tod Earle Waight <[log in to unmask]<mailto:[log in to unmask]>> wrote:

Hi all
I am running carbonates and having issues wrapping my head around the JEOL software.
I have set up the analyses as oxides, with CO2 added. In the element condition option under CAL I have the option to define how many CO2 are added for a group of specified elements and I have set up so (as I understand things) it should add 1 CO2 for 1 Ca, 1 Mg and 1 Fe. However, the software only adds CO2 for the first element on the list –  So I can run a calcite and it works perfectly, but if I run a dolomite it adds CO2 for Ca but not Mg.
Is this a software is or am I just doing something dumb!
Cheers
Tod
PS I am running a JEOL8200, with software from 2011 (VO1.55)

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