infinite source thickness

https://doi.org/10.1351/goldbook.I03030
For a specified @[email protected], the minimum thickness of a flat preparation of a @[email protected] material where the @[email protected] of the specified radiation at the surface does not increase when the thickness is increased by adding more of similar @[email protected] material.
Source:
PAC, 1982, 54, 1533. (Glossary of terms used in nuclear analytical chemistry (Provisional)) on page 1544 [Terms] [Paper]
Cite as: IUPAC. Compendium of Chemical Terminology, 2nd ed. (the "Gold Book"). Compiled by A. D. McNaught and A. Wilkinson. Blackwell Scientific Publications, Oxford (1997). Online version (2019-) created by S. J. Chalk. ISBN 0-9678550-9-8. https://doi.org/10.1351/goldbook.
Div. VPDFTextJSONHistory
Last revised: February 24, 2014