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IUPAC definitions related to mass spectrometry

IUPAC Definitions of terms relating to mass spectrometry

The International Union of Pure and Applied Chemistry (IUPAC)

The International Union of Pure and Applied Chemistry (IUPAC) is the world authority on chemical nomenclature and terminology, including the naming of new elements in the periodic table; on standardized methods for measurement; and on atomic weights, and many other critically-evaluated data.

A neutral and objective scientific organization, IUPAC was established in 1919 by academic and industrial chemists who shared a common goal – to unite a fragmented, global chemistry community for the advancement of the chemical sciences via collaboration and the free exchange of scientific information. Throughout its long history IUPAC has fulfilled that goal through the creation of a common language and the standardization of processes and procedures.

For just over a century IUPAC has contributed to the diverse and interdisciplinary field that is chemistry.  We are the catalyst that unites chemists worldwide and we fulfill our mission by fostering sustainable development, providing a common language for chemistry, and advocating the free exchange of scientific information.

(IUPAC Recommendations 2013)*

Pure Appl. Chem., Vol. 85, No. 7, pp. 1515–1609, 2013.



© 2013 IUPAC, Publication date (Web): 6 June 2013

Kermit K. Murray, Robert K. Boyd, Marcos N. Eberlin, John Langley, Liang Li, and Yasuhide Naito

IUPAC definitions