Term: absolute counting
https://doi.org/10.1351/goldbook.A00021

Definition:
A measurement under such well-defined conditions that the activity of a sample can be derived directly from the observed counting rate.

Related Terms:
1) activity (<em>of a radioactive material</em>) (http://doi.org/10.1351/goldbook.A00114).
2) counting rate (<em>of a radioactive material</em>) (http://doi.org/10.1351/goldbook.C01379).

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

Citation: 'absolute counting' 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.A00021

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