symbols, acronyms & abbreviations


dalton. Accepted by the CIPM for use with SI units. In practice, Da usually occurs with an SI prefix, particularly kilo- or mega- (for describing the mass of large molecules), and nano- or pico-. Hence the symbols kDA, MDa, nDA and pDa respectively.


Barry N. Taylor and Ambler Thompson, editors.
The International System of Units (SI) pdf logo
NIST Special Publication 330, 2008 Edition.

“United States version of the English text of the eighth edition (2006) of the International Bureau of Weights and Measures publication Le Système International d’ Unités (SI)” This publication is the definitive guide for the United States, but the ultimate authority is the original, French version. See page 34.


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