Precursor ion spectrum

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Precursor ion spectrum
Deprecated: parent ion spectrum.

Mass spectrum in which the appropriate m/z separation function records the precursor ions of selected product ions or specified neutral loss.

Note: The ion current recorded by the detector is that from the product ion but the m/z values corresponding to the peaks in the resulting spectrum are those of precursor ions that fragmented in the fashion specified by the m/z separation function of the tandem mass spectrometer.
Related Term(s): product ion spectrum

P. Price. J. Am. Soc. Mass Spectrom. 2, 336 (1991). ( )

M. Bursey. Mass Spectrom. Rev. 10, 1 (1991). ( )

J. Adams. J. Am. Soc. Mass Spectrom. 3, 473 (1992). ( )

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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