Brown, R J C (2025) Comment on ‘The Avogadro constant is not the defining constant of the mole’. Metrologia, 62 (5). 058004 ISSN 0026-1394

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Abstract

The letter provides a short comment on a recent paper in Metrologia, explaining the reasons why the Avogadro constant must be the defining constant of the mole in the International System of Units.

Item Type:	Article
Keywords:	Avogadro constant, units, defining constants, mole, amount of substance
Subjects:	International > Metrology
Divisions:	Research
Identification number/DOI:	10.1088/1681-7575/ae0e78
Last Modified:	21 May 2026 14:33
URI:	https://eprintspublications.npl.co.uk/id/eprint/10415