L18_Paleoclimate-Recent-Time

73 1h2h16o 19 099980000115099562

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Unformatted text preview: 2 3 abundance 99.989% 0.0115% trace (radioac=ve) 99.757% 0.038% 0.205% 8 9 10 16 17 18 Isotopologues of water (unique combina=ons of isotopes in water) Isotopologue Mass Rela=ve Abundance Calc. 1H1H16O 18 =(0.9998)2(0.9956) 1H2H16O 19 =[(0.9998)(0.000115)(0.9956)]*2 1H1H18O 20 =(0.9998)2(0.00205) Rel. Abund. =0.9973 (99.73%) =0.00023 (0.023%) =0.0025 (0.25%) Isotopologues of water (unique combina=ons of isotopes in water) Isotopologue Mass Rela=ve Abundance Calc. Rel. Abund. 1H1H16O 18 =(0.9998)2(0.9956) =0.9973 (99.73%) 1H2H16O 19 =[(0.9998)(0.000115)(0.9956)]*2 =0.00023 (0.023%) 1H1H18O 20 =(0.9998)2(0.00205) =0.0025 (0.25%) There are 9 different isotopologues of water, but most are exceedingly rare Isotopologues have iden=cal...
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This document was uploaded on 03/26/2014 for the course GEC AS.270.103 at Johns Hopkins.

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