List of isotopes Isotopes of hydrogen

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notes

commercially available materials may have been subjected undisclosed or inadvertent isotopic fractionation. substantial deviations given mass , composition can occur.
values marked # not purely derived experimental data, @ least partly systematic trends. spins weak assignment arguments enclosed in parentheses.
uncertainties given in concise form in parentheses after corresponding last digits. uncertainty values denote 1 standard deviation, except isotopic composition , standard atomic mass iupac, use expanded uncertainties.
isotope abundances given iupac commission on isotopic abundances , atomic weights (ciaaw)




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