Preferred Label : Z50;
Detailed label : Z50 of a photochromic system;
IUPAC definition : Number of cycles required to reduce by 50% the initial absorbance of the coloured
form of a photochromic compound at a specific wavelength.;
Origin ID : ZT07501;
See also
Number of cycles required to reduce by 50% the initial absorbance of the coloured
form of a photochromic compound at a specific wavelength.
