isotope pattern

in mass spectrometry
https://doi.org/10.1351/goldbook.I03330
Set of peaks related to ions with the same chemical formula but containing different @I03331@; e.g. the 16 and 17 mass/charge peaks in a CH4 sample arising from 12CH4+ and 13CH4+ ions
Source:
PAC, 1990, 62, 2167. (Glossary of atmospheric chemistry terms (Recommendations 1990)) on page 2198 [Terms] [Paper]