Re: what gives nailpolish a colour

Date: Wed Nov 29 03:51:09 2000
Posted By: Werner Sieber, Research Scientist, Colors Division, Ciba Specialty Chemicals Corp.
Area of science: Chemistry
ID: 975293005.Ch

Message:


Dear Anonymous
"Iron oxides, titanium dioxide, or organic pigments are most often 
employed as colorants." according to Ullmann's Encyclopedia of Industrial 
Science and Technology, Electronic Edition, 1999.
Organic pigments are insoluble organic compounds with a strongly selective 
light absorption, i.e. strong color, which are mixed into the formulation 
in a very finely ground state (particle diameter around 1/10000 in.). 
Generic descriptions of organic pigments are listed in the "Color Index" 
(C.I.).
Best regards
Werner Sieber

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