Daughter ion
From Mass Spec Terms
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| IUPAC RECOMMENDATIONS 2013 |
| Daughter ion |
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| This term is deprecated.
See product ion. |
| Related Term(s): |
| Reference(s): |
| From Definitions of Terms Relating to Mass Spectrometry (IUPAC Recommendations 2013); DOI: 10.1351/PAC-REC-06-04-06 © IUPAC 2013. |
Orange Book
| ORANGE BOOK DEFINITION
IUPAC. Analytical Division. Compendium of Analytical Nomenclature (the Orange Book). Definitive Rules, 1979 (see also Orange Book 2023) |
| Daughter ion |
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An electrically charged product of reaction of a particular parent (precursor) ion. In general such ions have a direct relationship with a particular precursor ion and may relate to a unique state of the precursor ion. The reaction need not involve fragmentation, but could, for example involve a change in the number of charges carried. Thus a fragment ion is a daughter ion but not all daughter ions are fragment ions. |
| IUPAC 1997 Orange Book Chapter 12 |
| Index of Orange Book Terms |
| QUOTED TEXT FROM IUPAC RECOMMENDATIONS 2013 |
| The anthropomorphic terms for ions involved in fragmentation reactions, for example, daughter ion, have fallen into disuse after strong sentiments against the use of the term were voiced two decades ago [1][2]. The term product ion is recommended in place of daughter ion and precursor ion in place of parent ion. The use of nth-generation product ion is recommended in place of granddaughter ion and similar terms. |
| 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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