Thin-layer chromatography (TLC) is a valuable analytical technique for separating and analyzing organic compounds and is used to identify dyes in fabrics or fibers and determine the composition of natural dyes in plants and animals. With the Analysis of Dye Mixtures: Thin-Layer Chromatography—ChemTopic™ Lab Activity, implement TLC to separate mixtures of dyes. Available as part of the Elements, Compounds and Mixtures—ChemTopic™ Labs digital collection. Click the Price link for digital collection pricing.