Isotopic fractionation during acid digestion of calcite: a combined ab initio quantum chemical simulation and experimental study.

08:00 EDT 23rd March 2020 | BioPortfolio

Summary of "Isotopic fractionation during acid digestion of calcite: a combined ab initio quantum chemical simulation and experimental study."

Carbonate clumped isotope analysis involves the reaction of carbonate minerals with phosphoric acid to release CO for measurement in a gas-source isotope ratio mass spectrometer. Although the clumped isotope proxy is based on the temperature dependence of C- O bonding preference in the mineral lattice, which is captured in the product CO , there is limited information on the phosphoric acid reaction mechanism and the magnitude of clumped isotopic fractionation (mass 63 in CO to mass 47 in CO ) during the acid digestion.


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Name: Rapid communications in mass spectrometry : RCM
ISSN: 1097-0231


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