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|  | {{DefName|
 |  | #REDIRECT [[progenitor ion]] | 
|  | A charged product of a series of consecutive reactions that includes [[product ion]]s, 1st generation [[product ion]]s, 2nd generation [[product ion]]s, etc. Given the sequential fragmentation scheme: 
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|  | :M<sub>1</sub><sup>+</sup> → M<sub>2</sub><sup>+</sup> → M<sub>3</sub><sup>+</sup> → M<sub>4</sub><sup>+</sup>  → M<sub>5</sub><sup>+</sup> 
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|  | M<sub>4</sub><sup>+</sup> is the [[precursor ion]] of M<sub>5</sub><sup>+</sup>, a 1st generation [[product ion]] of M<sub>3</sub><sup>+</sup>, a 2nd generation [[product ion]] of M<sub>2</sub><sup>+</sup> and a 3rd generation [[product ion]] of M<sub>1</sub><sup>+</sup>.
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|  | }}
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|  | == Related Terms ==
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|  | *[[Product Ion]]
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|  | *[[Precurson Ion]]
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|  | [[Category:Reactions]]
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