Oxygen Isotopes - University of Texas at Austin
Summary: • What is isotope? – Atoms with the same number of electrons and protons, but different numbers of neutrons. • What determine isotope fractionation? – Temperature: colder temperature more O18 depletion (more negative δO18) – Condensation preferentially remove O18 (heavier isotope) – Evaporation preferentially remove O16 (higher isotope)
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