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. 2024 Oct 16;63(10):1389–1405. doi: 10.1007/s40262-024-01421-z

Table 1.

Atomic mass and natural abundance of stable iron isotopes [67]

Isotope Atomic mass (g/mol) Naturally occurring abundance (at.%)
54Fe 53.940 5.845
56Fe 55.935 91.754
57Fe 56.935 2.1191
58Fe 57.933 0.2819