Preparation and Optical Properies of SiO22 Sol-Gel Made Glass Colored with Carminic Acid 

 -  Journal of Sol-Gel Science and Technology, 33, p.261-267, 2005 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>CARMINIC ACID<br/>COLOR STABILITY<br/>COLOR NATURE