|IUPAC RECOMMENDATIONS 2013|
|Stable ion whose structure or elemental formula is known with certainty. These ions are formed by direct ionization of a molecule of known structure or elemental formula, and are used to verify by comparison the structure or thermochemistry of an unknown ion or to calibrate the m/z scale of the mass spectrometer.|
87. J. M. Wilson. Annu. Rep. Prog. Chem. 63, 270 (1966).
Y. G. C. Lifshitz, A. Ioffe, J. Laskin, S. Shaik. Int. J. Mass Spectrom. Ion Processes 125, R7 (1993). (http://dx.doi.org/10.1016/0168-1176(93)80020-F )
K. M. Ervin. Chem. Rev. 101, 391 (2001). (http://dx.doi.org/10.1021/cr990081l )
|From Definitions of Terms Relating to Mass Spectrometry (IUPAC Recommendations 2013); DOI: 10.1351/PAC-REC-06-04-06 © IUPAC 2013.|