Resolution 8 of the 15th CGPM (1975)

SI units for ionizing radiation: becquerel

The 15th Conférence Générale des Poids et Mesures,

  • by reason of the pressing requirement, expressed by the International Commission on Radiation Units and Measurements (ICRU), to extend the use of the Système International d'Unités to radiological research and applications,
  • by reason of the need to make as easy as possible the use of the units for non-specialists,
  • taking into consideration also the grave risks of errors in therapeutic work,

adopts the following special name for the SI unit of activity:

becquerel, symbol Bq, equal to one reciprocal second.

DOI : 10.59161/CGPM1975RES8E

The reader should note that the official version of this Resolution is the French text

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