Dear all IsoGeochem-ists

I think it's time to announce a disturbing observation about the acid
fractionation factor.  I was  working on several aragonite samples for
isotopic study, and our preliminary data revealed that every carbonate seems
to have its own acid fractionation factor depending on its orgin and
preparation .  We are still working on this problem, but we will publish
this study soon.









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Sang-Tae Kim
Center for Mineral Resources Research
College of Science, Korea University
1, Anam-dong, Seongbuk-ku
Seoul, 136-701 Korea
e-mail)[log in to unmask]
tel)822-929-2840, fax)822-927-6180
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