Hi Greg

My initial go-to paper but plenty has been written before and since

Neil


Stable isotope analysis of multiple carbonate samples using selective acid extraction


Ihsan S Al-Aasm, BE Taylor, B South

Chemical Geology: Isotope Geoscience Section 80 (2), 119-125, 1990


Stable carbon and oxygen isotope analysis of natural calcite and dolomite mixtures using selective acid extraction

JVOTIRANJAN S Ray, R Ramesh

JOURNAL-GEOLOGICAL SOCIETY OF INDIA 52, 323-332, 1998



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From: Stable Isotope Geochemistry <[log in to unmask]> on behalf of Cane, Gregory A <[log in to unmask]>
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Subject: [ISOGEOCHEM] Calcite-Dolomite mixed samples

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Would anyone have literature regarding the separation of Calcite and Dolomite in samples for analysis of stable isotopes of O and C? I recall doing something of the sort years ago using acetic acid to dissolve the calcite fraction first, then a stronger acid to react the dolomitic fraction.

Regards,

Greg