Difference between revisions of "M/z"
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− | {{DefName|The symbol ''m/z'' is used to denote the dimensionless quantity formed by dividing the mass number of an ion by its charge number. The symbol should consist of italicized lower case letters with no spaces.}} | + | {{DefName|The symbol ''m/z'' is used to denote the dimensionless quantity formed by dividing the [[mass number]] of an ion by its [[charge number]]. The symbol should consist of italicized lower case letters with no spaces.}} |
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{{Disc}} | {{Disc}} | ||
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== Related Terms == | == Related Terms == | ||
− | [[Mass/Charge Ratio]] | + | *[[Mass/Charge Ratio]] |
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+ | *[[Thomson]] | ||
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+ | *[[Dalton]] | ||
− | [[ | + | *[[Mass]] |
− | [[ | + | *[[Mass Number]] |
Revision as of 21:20, 30 November 2005
DRAFT DEFINITION |
M/z |
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The symbol m/z is used to denote the dimensionless quantity formed by dividing the mass number of an ion by its charge number. The symbol should consist of italicized lower case letters with no spaces. |
Considered between 2004 and 2006 but not included in the 2006 PAC submission |
This is an unofficial draft definition presented for information and comment. |
See additional comments on the M/z discussion page (archive of discussion between 2004 and 2006) |
Orange Book Entry
m/z ratio.
Gold Book Entry
The abbreviation m/z is used to denote the dimensionless quantity formed by dividing the mass number of an ion by its charge number. It has long been called the mass-to-charge ratio although m is not the ionic mass nor is z a multiple or the elementary (electronic) charge, e. The abbreviation m/e is, therefore, not recommended. Thus, for example, for the ion C_{7}H_{7}^{2+}, m/z equals 45.5.