Difference between revisions of "Unified atomic mass unit"

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This unit  (u) is based on the standard that the mass of 12C is exactly 12 u. The older symbol, [[amu]], using the standard based on the mass of 16O is no longer recommended. In biochemistry the term [[dalton]], symbol [[Da]], is sometimes used but is not here recommended.
 
This unit  (u) is based on the standard that the mass of 12C is exactly 12 u. The older symbol, [[amu]], using the standard based on the mass of 16O is no longer recommended. In biochemistry the term [[dalton]], symbol [[Da]], is sometimes used but is not here recommended.
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== IUPAC Compendium of Chemical Terminology Entry ==
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'''unified atomic mass unit'''
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Non-SI unit of mass (equal to the atomic mass constant), defined as one
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twelfth of the mass of a carbon-12 atom in its ground state and used to
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[http://www.iupac.org/goldbook/U06554.pdf IUPAC]
  
 
== Proposed New Entry ==
 
== Proposed New Entry ==

Revision as of 16:17, 18 December 2004