unified atomic mass unit

https://doi.org/10.1351/goldbook.U06554
Non-SI unit of mass (equal to the @A00497@), defined as one twelfth of the mass of a carbon-12 atom in its @G02704@ and used to express masses of atomic particles, \(\rm{u} \approx \pu{1.6605402(10)E-27 kg}\).
Sources:
Green Book, 2nd ed., p. 75 [Terms] [Book]
PAC, 1996, 68, 957. (Glossary of terms in quantities and units in Clinical Chemistry (IUPAC-IFCC Recommendations 1996)) on page 997 [Terms] [Paper]
Citation: 'unified atomic mass unit' in IUPAC Compendium of Chemical Terminology, 3rd ed. International Union of Pure and Applied Chemistry; 2006. Online version 3.0.1, 2019. https://doi.org/10.1351/goldbook.U06554 RIS BibTex EndNote
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Last revised: February 24, 2014