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Chemistry · Glossary

What is Isotope pattern?

Definition 32.6 University Chemistry — Year 2 · Chapter 32 — Mass Spectrometry and Atomic Spectroscopy

The isotope pattern of an ion is the group of peaks at MM, M+1M+1, M+2M+2, … produced by the molecules containing heavier isotopes, with intensities in proportion to the abundances of those isotopic forms.

Isotope patterns of ions containing chlorine and bromine, computed from the isotopic abundances (); the most intense peak of each group is set to 100. The patterns are fingerprints: 3 : 1 for one chlorine, 1 : 1 for one bromine, 1 : 2 : 1 for two bromines. Isotope patterns of ions containing chlorine and bromine, computed from the isotopic abundances (); the most intense peak of each group is set to 100. The patterns are fingerprints: 3 : 1 for one chlorine, 1 : 1 for one bromine, 1 : 2 : 1 for two bromines. Isotope patterns of ions containing chlorine and bromine, computed from the isotopic abundances (); the most intense peak of each group is set to 100. The patterns are fingerprints: 3 : 1 for one chlorine, 1 : 1 for one bromine, 1 : 2 : 1 for two bromines. Isotope patterns of ions containing chlorine and bromine, computed from the isotopic abundances (); the most intense peak of each group is set to 100. The patterns are fingerprints: 3 : 1 for one chlorine, 1 : 1 for one bromine, 1 : 2 : 1 for two bromines. Isotope patterns of ions containing chlorine and bromine, computed from the isotopic abundances (); the most intense peak of each group is set to 100. The patterns are fingerprints: 3 : 1 for one chlorine, 1 : 1 for one bromine, 1 : 2 : 1 for two bromines.
Isotope patterns of ions containing chlorine and bromine, computed from the isotopic abundances (Proposition 32.8); the most intense peak of each group is set to 100. The patterns are fingerprints: 3 : 1 for one chlorine, 1 : 1 for one bromine, 1 : 2 : 1 for two bromines.
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