relative counting

in nuclear chemistry
https://doi.org/10.1351/goldbook.R05261
A measurement in which the @A00114@ of a @T06284@ is derived from the ratio between the @C01370@ rates observed for the @T06284@ and for a @R05088@ of known activity.
Source:
PAC, 1994, 66, 2513. (Nomenclature for radioanalytical chemistry (IUPAC Recommendations 1994)) on page 2525 [Terms] [Paper]