Photoactivity tests of TiO2-based inorganic sunscreens. Part 1: Non-aqueous dispersions.
A new method of measuring photoactivity of a major group of inorganic sunscreens (coated titanium dioxide) is presented based on the photobleaching of the radical 1,1-diphenyl-2-picrylhydrazyl.
Dransfield
G
G
ICI Uniqema Solaveil, Peterlee, UK.
Guest
P J
PJ
Lyth
P L
PL
McGarvey
D J
DJ
Truscott
T G
TG
D015764:Bepridil / Q000031:analogs & derivatives* / Q000737:chemistry*; D001713:Biphenyl Compounds; D003124:Colorimetry / Q000379:methods; D005609:Free Radicals / Q000737:chemistry*; D007700:Kinetics; D008027:Light; D010851:Picrates; D014025:Titanium / Q000737:chemistry*; D014466:Ultraviolet Rays
D001713:Biphenyl Compounds; D005609:Free Radicals; D010851:Picrates; C009495:titanium dioxide; D015764:Bepridil; D014025:Titanium; C004931:1,1-diphenyl-2-picrylhydrazyl