I'm a new member to the list, and have a question about standards. I
am not sure if this is the right venue for this question, so forgive
me if I'm looking in the wrong place by posting to this list; my
question is not really about stable isotopes...
I am a beginning user interested in conducting microprobe analysis of
calcite in veins. I would like to measure the abundance of elements
like Fe, Sr, Na, Mg, Mn, Ba, B, Cl, and K in the calcite and am
wondering about standards to use to do this. I'm expecting amounts
anywhere from 0.2 - 10 wt %. I have standards from igneous minerals,
but it has been suggested to me that using these standards is not the
best idea because of possible interactions between the elements I'm
looking for and other components in the minerals I use as standards.
The suggestion to me was that I should try to find carbonate minerals
that contain the elements I'm looking for in the abundances I am
expecting, and to use those as standards.
I would very much appreciate any advice on how to proceed, and in
particular, what types of standards I should be using and where I
might find these standards.
Thanks in advance.
Professor Mark P. Fischer, Ph.D.
Assistant Chair & Graduate Program Director
Dept. of Geology & Environmental Geosciences
Northern Illinois University
DeKalb, IL 60115-2854, USA
E-mail: [log in to unmask]