Quasi-molecular Ion

From Mass Spec Terms
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DRAFT DEFINITION
Quasi-molecular Ion

This term is not recommended. See protonated molecule.

Considered between 2004 and 2006 but not included in the 2006 PAC submission
This is an unofficial draft definition presented for information and comment.

Recommended terms | Full list of terms


Orange Book

ORANGE BOOK DEFINITION

IUPAC. Analytical Division. Compendium of Analytical Nomenclature (the Orange Book). Definitive Rules, 1979 (see also Orange Book 2023)

Quasi-molecular Ion

A term used to represent a protonated molecule or an ion formed from a molecular ion by loss of a hydrogen atom.

IUPAC 1997 Orange Book Chapter 12
Index of Orange Book Terms


Gold Book term

Gold Book

GOLD BOOK DEFINITION

IUPAC. Compendium of Chemical Terminology, 2nd ed. (the Gold Book). Compiled by A. D. McNaught and A.Wilkinson. Blackwell Scientific Publications, Oxford (1997).

Quasi-molecular Ion

http://goldbook.iupac.org/Q05000.html

A protonated molecule or an ion formed from a molecular ion by loss of a hydrogen atom. The use of the term 'pseudo-molecular ion' is not recommended.

Source: PAC, 1991, 63, 1541 (Recommendations for nomenclature and symbolism for mass spectroscopy (including an appendix of terms used in vacuum technology). (Recommendations 1991)) on page 1550

IUPAC Gold Book
Index of Gold Book Terms


See also