M J T Milton and I M Mills 2009 Metrologia 46 332 doi:10.1088/0026-1394/46/3/022
M J T Milton1 and I M Mills2
Show affiliationsThere has been considerable discussion about the merits of redefining four of the base units of the SI, including the mole. In this paper, the options for implementing a new definition for the mole based on a fixed value for the Avogadro constant are discussed. They are placed in the context of the macroscopic nature of the quantity amount of substance and the opportunity to introduce a system for molar and atomic masses with unchanged values and consistent relative uncertainties.
06.20.Dk Measurement and error theory
Issue 3 (June 2009)
Received 24 February 2009, in final form 21 April 2009
Published 11 May 2009
M J T Milton and I M Mills 2009 Metrologia 46 332
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