Oxygen isotope fractionation in divalent metal carbonates

Journal of Chemical Physics
By: , and 



CaCO3–H2O, 1000lnα = 2.78(106T−2)− 3.39,">CaCO3H2O, 1000lnα = 2.78(106T−2)− 3.39,CaCO3–H2O, 1000lnα = 2.78(106T−2)− 3.39,

SrCO3–H2O, 1000lnα = 2.69(106T−2)− 3.74,">SrCO3H2O, 1000lnα = 2.69(106T−2)− 3.74,SrCO3–H2O, 1000lnα = 2.69(106T−2)− 3.74,

BaCO3–H2O, 1000lnα = 2.57(106T−2)− 4.73.">BaCO3H2O, 1000lnα = 2.57(106T−2)− 4.73.BaCO3–H2O, 1000lnα = 2.57(106T−2)− 4.73.

Measurements on MnCO3, CdCO3, and PbCO3 were made at isolated temperatures. A statistical‐mechanical calculation of the isotopic partition function ratios gives reasonably good agreement with experiment. Both cationic size and mass are important in isotopic fractionation, the former predominantly in its effect on the internal vibrations of the anion, the latter in its effect on the lattice vibrations.
Publication type Article
Publication Subtype Journal Article
Title Oxygen isotope fractionation in divalent metal carbonates
Series title Journal of Chemical Physics
DOI 10.1063/1.1671982
Volume 51
Issue 12
Year Published 1969
Language English
Publisher American Institute of Physics
Description 12 p.
First page 5547
Last page 5558
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