Thomson: Difference between revisions

Revision as of 22:50, 7 June 2013

Thomson
IUPAC RECOMMENDATIONS 2013
This term is deprecated. See m/z.
Related Term(s):
Reference(s): R. G. Cooks, A. L. Rockwood. Rapid Commun. Mass Spectrom. 5, 93 (1991).
From Definitions of Terms Relating to Mass Spectrometry (IUPAC Recommendations 2013); DOI: 10.1351/PAC-REC-06-04-06 © IUPAC 2013.
Index of Recommended Terms

Thomson
ASMS TERMS AND DEFINITIONS POSTER ENTRY
Note from a reader: on Thomson - the fluid dynamics people have already used that one; it is listed in the CRC Handbook and IUPAC documents. ASMS should be doing things in addition to or clarifying points mentioned (or not) in IUPAC. However, we should be cautious about doing anything that actually opposes or conflicts with IUPAC documents.
ASMS Terms and Definitions Poster

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+{{Final
+|acronym=
+|def=This term is deprecated.
+See [[m/z]].
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+|ref=R. G. Cooks, A. L. Rockwood. Rapid Commun. Mass Spectrom. 5, 93 (1991).
+}}
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-== See also ==
-*[[m/z]]
-== External links ==
-*[http://www3.interscience.wiley.com/cgi-bin/abstract/110445268/ABSTRACT The 'Thomson.' A Suggested Unit for Mass Spectrometrists]
-:"This [mass-to-charge] unit would be defined as the quotient of mass in units of u and the number of charges, z. The number of charges could be positive or netagive, depending on the sign of the charge ?���?�?ɂ�??Ǭ�?Ǭ�?���?�?Ǭ�?��Ǩ?�?ɂ��?ɬ??Ǭ�?Ǭ�?���?�?ɂİ?Ǭ�?Ǭ? Using the standard rules for abbreviation, we have 1 Th = 1 u/atomic charge. For example, the peptide [sic] myoglobin myoglobin (isotope average molecular weight 16,950 u) can be deduced from the measurement of a peak at 998.0 Th provided it is known that the ion bears 17 charges."
-*[[Wikipedia:Joseph John Thomson]]
 [[Category:Mass]]
 [[Category:Units]]