Skip to main content
. 2021 Jul 16;28(34):46985–46998. doi: 10.1007/s11356-021-15158-w

Table 1.

Calcium isotopes, respective atomic masses, and abundance (Meija et al. 2016; Coplen et al. 2002; https://ciaaw.org/calcium.htm)

Isotope Atomic mass (Da) Isotopic abundance (amount fraction)
40Ca 39.962 5909 (2) 0.969 41 (156)
44Ca 43.955 482 (2) 0.020 86 (110)
42Ca 41.958 618 (1) 0.006 47 (23)
48Ca 47.952 5229 (6) 0.001 87 (21)
43Ca 42.958 766 (2) 0.001 35 (10)
46Ca 45.953 69 (2) 0.00004 (3)