exposure

in nuclear chemistry
https://doi.org/10.1351/goldbook.ET02276
For @X06703@ or @R02568@ in air: the sum of the electrical charges of all the @I03158@ of one sign produced when all @E01975@s liberated by @P04627@s in a suitably small element of volume of air completely stopped, divided by the mass of the air in the volume element.
Source:
PAC, 1982, 54, 1533. (Glossary of terms used in nuclear analytical chemistry (Provisional)) on page 1541 [Terms] [Paper]
This definition replaces an earlier definition of exposure.
Citation: 'exposure' in IUPAC Compendium of Chemical Terminology, 3rd ed. International Union of Pure and Applied Chemistry; 2006. Online version 3.0.1, 2019. https://doi.org/10.1351/goldbook.ET02276 RIS BibTex EndNote
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Last revised: February 24, 2014