half-life, \(\tau_{1/2}\)

of a transient entity
https://doi.org/10.1351/goldbook.HT07391
Time needed for a concentration of the entity to decrease to \(1/2\) of its original value.
Source:
PAC, 2007, 79, 293. (Glossary of terms used in photochemistry, 3rd edition (IUPAC Recommendations 2006)) on page 349 [Terms] [Paper]
Citation: 'half-life' 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.HT07391 RIS BibTex EndNote
Div. IIIPDFTextJSONHistory
Last revised: February 24, 2014