Record Label : radioactivity_concentration_of_222Ra_in_air
Record Title : Radioactivity Concentration of 222Ra in Air
CF Standard Name : radioactivity_concentration_of_222Ra_in_air
Record Description : "Radioactivity" means the number of radioactive decays of a material per second. "Radioactivity concentration" means radioactivity per unit volume of the medium. "Ra" means the element "radium" and "222Ra" is the isotope "radium-222" with a half-life of 4.41e-04 days.
Canonical Units : Bq m-3