The mole is not an ordinary measurement unit

Discussion Forum

Abstract

In this paper, it is argued that the SI system has not carefully enough taken into account the differences that exist between stoichiometry and physics, and because of this neglect forced the kind-of-quantity amount of substance into a false form. The mole is not a unit such as the metre, the kilogram, and the second. It is a “unit” only in the sense in which purely mathematical scaling factors can be called units.

Keywords

Mole SI system Avogadro number Avogadro constant Stoichiometry 

References

  1. 1.
    BIPM (2006) The international system of units (SI), 8th edn. http://www.bipm.org/en/si/si_brochure/. Accessed 18 June 2011
  2. 2.
    Johansson I (2010) Metrological thinking needs the notions of parametric quantities, units and dimensions. Metrologia 47:219–230CrossRefGoogle Scholar
  3. 3.
    Cooper G, Humphry SM (2010) The ontological distinction between units and entities. synthese. doi:10.1007/s11229-010-9832-1
  4. 4.
    De Bièvre P (2007) Numerosity versus mass. Accred Qual Assur 12:221–222CrossRefGoogle Scholar
  5. 5.
    Price G (2010) Failures of the global measurement system. Part 1: the case of chemistry. Accred Qual Assur 15:421–427CrossRefGoogle Scholar
  6. 6.
    Price G (2010) Failures of the global measurement system. Part 2: institutions, instruments and strategy. Accred Qual Assur 15:477–484CrossRefGoogle Scholar
  7. 7.
    De Bièvre P (2011) Integer numbers and their ratios are key concepts in describing the interactions of atoms and molecules. Accred Qual Assur 16:117–120CrossRefGoogle Scholar
  8. 8.
    Price G (2011) A skeptic’s review of the New SI. Accred Qual Assur 16:121–132CrossRefGoogle Scholar
  9. 9.
    Kyburg HE (2009) Theory and measurement. Cambridge University Press, CambridgeGoogle Scholar
  10. 10.
    BIPM (2010) Draft Chapter 2 for SI brochure, following redefinitions of the base units. http://www.bipm.org/utils/common/pdf/si_brochure_draft_ch2.pdf. Accessed 18 June 2011
  11. 11.
    Price G, De Bièvre P (2009) Simple principles for metrology in chemistry: identifying and counting. Accred Qual Assur 14:295–305CrossRefGoogle Scholar

Copyright information

© Springer-Verlag 2011

Authors and Affiliations

  1. 1.Umeå UniversityLundSweden

Personalised recommendations