Accurate mass

From Mass Spec Terms

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Related Terms

Average Mass

Atomic Mass Unit

Nominal Mass.

Other Definitiions

Base Peak Glossary

Isotopes have unique precise masses, a consequence of which is that the elemental composition of any molecule, or fragment of one, can be calculated from its mass if this is sufficiently accurately determined.??????????????

Mass Spec Desk Reference

Measured Accurate Mass: the experimentally determined mass that allows the elemental formula to be deduced. Not to be used to indicate the calculated mass.