Term: counting efficiency
https://doi.org/10.1351/goldbook.C01377

Definition:
The ratio between the number of particles or photons counted with a radiation counter and the number of particles or photons of the same type and energy emitted by the radiation source.

Related Terms:
1) radiation counter (http://doi.org/10.1351/goldbook.R05053).
2) energy (<em>of a radiation</em>) (http://doi.org/10.1351/goldbook.E02102).
3) radiation source (<em>of a radiation</em>) (http://doi.org/10.1351/goldbook.R05088).

Source: PAC, 1994, 66, 2513. 'Nomenclature for radioanalytical chemistry (IUPAC Recommendations 1994)' on page 2517 (https://doi.org/10.1351/pac199466122513)

Citation: 'counting efficiency' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. https://doi.org/10.1351/goldbook.C01377

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