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IEVref:113-02-18ID:
Language:enStatus: Standard
Term: Avogadro number
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Symbol: N0
Definition: conventional number equal to the numerical value 6,022 140 76 × 1023 of the Avogadro constant expressed in reciprocal mole

Note 1 to entry: The Avogadro number is chosen such that the molar mass of carbon 12 is 0,012 kg/mol with a relative standard uncertainty of 4,5 × 10−10.

Note 2 to entry: Sometimes the synonym “Loschmidt number” is used, denoted by the symbol “L”.


Publication date:2020-12
Source:SI Brochure, 9th edition, 2019, Appendix 1, modified – The definition in the SI Brochure has been revised to comply with the IEV rules. The synonym "Loschmidt number" and the symbol "<i>L</i>" have been added to Note 2 to entry.
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