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  • Natural abundance of heavy water

    From Mher Movsisyan@21:1/5 to Gerry Niccolai on Sat Mar 27 00:03:37 2021
    On Wednesday, April 26, 1995 at 11:00:00 AM UTC+4, Gerry Niccolai wrote:
    Can anyone confirm that heavy water (D2O) occurs in sea water
    in the expected (by me, anyway) natural abundance of one
    molecule of D2O per about 36 million water molecules?
    Please, respond only if you cite EXPERIMENTAL evidence (IR?
    Mass spec?).
    Thank you in advance,
    gerry
    PS - The final objective being an estimation of the amount of
    D2O present on earth from natural sources as opposed to
    synthetic sources, so an estimation of the amount of water on
    earth would be helful as well. Where does commercial D2O come from,
    anyway?



    I know I am a few decades late, but here is what I gathered: https://www.kaggle.com/movsisyanm/expected-vs-actual-water-isotope-abundance

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