, \(Z_{50}\)

of a photochromic system
https://doi.org/10.1351/goldbook.ZT07501
Number of cycles required to reduce by 50% the initial @A00028@ of the coloured form of a photochromic compound at a specific @W06659@.
Source:
PAC, 2007, 79, 293. (Glossary of terms used in photochemistry, 3rd edition (IUPAC Recommendations 2006)) on page 441 [Terms] [Paper]
Citation: '' 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.ZT07501 RIS BibTex EndNote
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Last revised: February 24, 2014