That part of chemistry which deals with radioactive
materials. It includes the production of radionuclides
and their compounds by processing irradiated materials or naturally occurring radioactive
materials, the application of chemical techniques to nuclear studies, and the application of radioactivity
to the investigation of chemical, biochemical or biomedical problems.
PAC, 1994, 66, 2513
(Nomenclature for radioanalytical chemistry (IUPAC Recommendations 1994))
on page 2524