Mass defect: Difference between revisions

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{{Def2|
{{Final
The difference between the [[mass number]] and the [[monoisotopic mass]] of a molecule or atom.}}
|acronym=
|def='''Deprecated''': [[mass excess]].


{{rev5|
Difference between the [[nominal mass]] and the [[monoisotopic mass]] of an atom, molecule, or [[ion]].
The difference between the integer mass number 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.
 
|rel=
Note: [[mass excess]] is deprecated; this can be expressed as a negative mass defect.
|ref=E. Kendrick. Anal. Chem. 35, 2146 (1963). (http://dx.doi.org/10.1021/ac60206a048 )
|
#E. Kendrick. Anal. Chem. 35, 2146-2154 (1963).
}}
}}


== See also ==
{{defect}}
*[[Mass]]


[[Category:General]]
[[Category:General]]
{{DEFAULTSORT:Mass Defect}}
{{DEFAULTSORT:Mass Defect}}

Latest revision as of 14:59, 31 August 2017

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.

Index of Recommended Terms

 




Mass defect

Mass defect in mass spectrometry and nuclear physics

Mass defect (mass spectrometry)
The difference between the exact mass and the nearest integer mass
Mass defect (physics)
The difference between the mass of a composite particle and the sum of the masses of its parts

Links

Land, A. Neutrons in the Nucleus. I. Phys. Rev. 43, 620-623 (1933).
http://dx.doi.org/10.1103/PhysRev.43.620
Carlson (1960); High Resolution Mass Spectrometry. Interpretation of Spectra of Petroleum Fractions
http://dx.doi.org/10.1021/ac60167a032
Kendrick (1963); A Mass Scale Based on CH2= 14.0000 for High Resolution Mass Spectrometry of Organic Compounds.
http://dx.doi.org/10.1021/ac60206a048
Hughey (2001); Kendrick Mass Defect Spectrum:? A Compact Visual Analysis for Ultrahigh-Resolution Broadband Mass Spectra
http://dx.doi.org/10.1021/ac010560w
Zhang (2003); A software filter to remove interference ions from drug metabolites in accurate mass liquid chromatography/mass spectrometric analyses
http://dx.doi.org/10.1002/jms.521
Hall, M.P., Ashrafi, S., Obegi, I., Petesch, R., Peterson, J.N., Schneider, L.V. Mass defect tags for biomolecular mass spectrometry. J. Mass Spectrom. 38, 809-816 (2003).
http://dx.doi.org/10.1002/jms.493
Zhang (2009); Mass defect filter technique and its applications to drug metabolite identification by high-resolution mass spectrometry
http://dx.doi.org/10.1002/jms.1610
Sleno (2012); The use of mass defect in modern mass spectrometry
http://dx.doi.org/10.1002/jms.2953
Pourshahian (2017); Mass Defect from Nuclear Physics to Mass Spectral Analysis
http://dx.doi.org/10.1007/s13361-017-1741-9