Description
Direct red 23 is an azo dye that has been used as a model compound in adsorption studies. As a model compound in adsorption studies, Direct red 23 has been utilized to compare efficacy of textile dye removal in aqueous solutions.:Other direct dyes offered include::Direct Red 80, Direct Red 81, Direct Yellow 27, Direct yellow 50, Direct Blue 15, Direct Blue 71 and Direct Violet 51