Positive ion

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Orange Book

ORANGE BOOK DEFINITION

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

Positive ion

This is an electrically charged atom, radical, molecule or molecular moiety which has lost one or more electrons, thereby acquiring a positive charge. The term 'cation' is not recommended because of its use in solution chemistry. The use of the term 'Mass ion' is not recommended.

IUPAC Orange Book Chapter 12
Index of Orange Book Terms


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).

Positive ion

http://goldbook.iupac.org/P04768.html

This is an atom, radical, molecule or molecular moiety which has lost one of more electrons thereby attaining an electrically positive charge. The use of the term cation as an alternative is not recommended. The use of mass ion is not recommended.

See: negative ion

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 1549

IUPAC Gold Book
Index of Gold Book Terms