Ionization: Difference between revisions
From Mass Spec Terms
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The generation of one or more ions. It may occur, e.g. by loss of an electron from a neutral molecular entity, by the unimolecular heterolysis of such an entity into two or more ions, or by a heterolytic substitution reaction involving neutral molecules, such as: | The generation of one or more ions. It may occur, e.g. by loss of an electron from a neutral molecular entity, by the unimolecular heterolysis of such an entity into two or more ions, or by a heterolytic substitution reaction involving neutral molecules, such as: |
Revision as of 12:28, 18 July 2009
The generation of one or more ions. It may occur, e.g. by loss of an electron from a neutral molecular entity, by the unimolecular heterolysis of such an entity into two or more ions, or by a heterolytic substitution reaction involving neutral molecules, such as:
http://www.nicmila.org/Gold/Output/SVG/I03183-1.png
http://www.nicmila.org/Gold/Output/SVG/I03183-2.png
http://www.nicmila.org/Gold/Output/SVG/I03183-3.png
The loss of an electron from a singly, doubly, etc. charged cation is called second, third, etc. ionization. This terminology is used especially in mass spectroscopy.