Mass defect

IUPAC RECOMMENDATIONS 2013
Mass defect
Deprecated: mass excess. Difference between the nominal mass and the monoisotopic mass of an atom, molecule, or ion. Note: Mass defect can be a positive or negative value dependent upon the elemental composition.
Related Term(s):
Reference(s): E. Kendrick. Anal. Chem. 35, 2146 (1963). (http://dx.doi.org/10.1021/ac60206a048 )
From Definitions of Terms Relating to Mass Spectrometry (IUPAC Recommendations 2013); DOI: 10.1351/PAC-REC-06-04-06 © IUPAC 2013.
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