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Carbon Mass Unit |
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Carbon Mass Unit
the standard unit of atomic mass, equal to 1/12 the mass of an atom of the carbon isotope 12C. Proposed in 1959 by the International Union of Pure and Applied Chemistry (IUPAC), the carbon mass unit was adopted in 1960 by the International Union of Pure and Applied Physics (IUPAP) and ratified at the IUPAC congress in 1961. The unit is equal to (1.66043±0.00031) × 10–24g. Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content. |
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