natural abundance

(redirected from Natural isotopic abundance)

natural abundance

[′nach·rəl ə′bən·dəns]
(nucleonics)
The abundance ratio of an isotope in a naturally occurring terrestrial sample of an element.
References in periodicals archive ?
sup]Cd) isotope in the spike solution (taken from Table 1), or the natural isotopic abundance in the sample.
normanii, detritus, and to a lesser extent microphytobenthos, is consistent with the copepods' natural isotopic abundances and values of [delta][[N.