Concept information
Terme préférentiel
CiCurie
Définition
- The curie (symbol Ci) is a non-SI unit of radioactivity, named after Marie and Pierre Curie. It is defined as $1Ci = 3.7 \ imes 10^{10} decays\\ per\\ second$. Its continued use is discouraged. One Curie is roughly the activity of 1 gram of the radium isotope Ra, a substance studied by the Curies. The SI derived unit of radioactivity is the becquerel (Bq), which equates to one decay per second. Therefore: $1Ci = 3.7 \ imes 10^{10} Bq= 37 GBq$ and $1Bq \\equiv 2.703 \ imes 10^{-11}Ci $.
Concept générique
URI
https://vocab.sentier.dev/units/unit/Ci
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