Thomson: Difference between revisions
From Mass Spec Terms
No edit summary |
|||
| Line 8: | Line 8: | ||
== External Links == | == External Links == | ||
[http://www3.interscience.wiley.com/cgi-bin/abstract/110445268/ABSTRACT The 'Thomson.' A Suggested Unit for Mass Spectrometrists] | *[http://ch309c.chem.lsu.edu:16080/mswiki/index.php/Thomson_%28unit%29 Thomson Unit - Mass Spectrometry Wiki] | ||
*[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 ?????????????????????? 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.?????????????????????? | :????????????????????????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 ?????????????????????? 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 | *[[Wikipedia:Joseph_John_Thomson]] | ||
Revision as of 14:39, 12 May 2006
| See proposed definition on the Thomson discussion page. |
Related Terms
External Links
- ????????????????????????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 ?????????????????????? 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.??????????????????????
