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Moderator: Ellery Frahm, [log in to unmask],
Electron Microprobe Lab, University of Minnesota
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You could matrix correct the trace analyses (Cu, Ni, Co, V, Cr) by
simply reprocessing the data using the Off-Line Correction Program. Go
to Process >> Quantitative Analyses >> Off-Line Correction. Select the
sample containing the trace element data, then add the major element
data as fixed values (Element Conditions >> CAL). After that all you
need to do is reprocess the data.
If you have any problems, let me know.
McSwiggen & Associates, P.A.
2855 Anthony Lane South, Suite B1
St. Anthony, MN 55418
e-mail: [log in to unmask]
On Mar 10, 2008, at 9:10 AM, Fernando Colombo wrote:
> JEOL Probe Users Listserver
> Moderator: Ellery Frahm, [log in to unmask],
> Electron Microprobe Lab, University of Minnesota
> Post a message: send your message to [log in to unmask]
> Unsubscribe: send "SIGNOFF PROBEUSERS" to [log in to unmask]
> On-line help and FAQ: http://probelab.geo.umn.edu/listserver.html
> I have two different sets of analyses of genthelvite,
> Zn4 Be3 [S/(SiO4)3], one for major elements (including
> Si, Ti, Al, Fe, Mg, Mn, Zn, Ca, K, P, S, Cl and F) and
> another for some trace elements (Cu, Ni, Co, V and
> Cr). The operating conditions were different for each
> set. The microprobe used for data acquisition was a
> JEOL 8900.
> At the moment when we run the second analyses, matrix
> compositions were not entered so that trace element
> concentrations are not matrix-corrected.
> I would appreciate it if somebody could tell me if
> there is a way to integrate the two data sets so that
> both have the proper matrix correction.
> Thank you very much,
> Fernando Colombo
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