Isotopic scrambling

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IUPAC RECOMMENDATIONS 2013
Isotopic scrambling
Complete random mixing of isotopes between specified positions in an ion or neutral to achieve an equilibrium distribution of isotopes.
Note: In mass spectrometry, this term usually refers to the random mixing of isotopes in isolated ions that were formed with a fixed isotopic composition.
Related Term(s): partial isotopic scrambling
Reference(s):

IUPAC. Analytical Division. Compendium of Analytical Nomenclature (the Orange Book). Definitive Rules, 1979. Compiled by J. Inczédy, T. Lengyel, A. M. Ure. Blackwell Scientific Publications, Oxford (1997). On-line corrected version: http://www.iupac.org /publications/analytical compendium (2000).

IUPAC. Compendium of Chemical Terminology, 2nd ed. (the Gold Book). Compiled by A. D. McNaught and A.Wilkinson. Blackwell Scientific Publications, Oxford (1997). XML on-line corrected version: http://goldbook.iupac.org (2006-) created by M. Nic, J. Jirat, B. Kosata; updates compiled by A. Jenkins.

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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Orange Book

ORANGE BOOK DEFINITION

IUPAC. Analytical Division. Compendium of Analytical Nomenclature (the Orange Book). Definitive Rules, 1979.

Isotopic scrambling

This term is only to be used to denote the complete random mixing of isotopes between specified positions in an ion or neutral species. The term 'partial scrambling' is not recommended.

IUPAC 1997 Orange Book Chapter 12
Index of Orange Book Terms