Thin layer chromatography is an effective procedure that helps in separating different chemicals inside a mixture. This process can help in separating all kinds of non-volatile chemicals. http://www.informationbible.com/rf-values-in-thin-layer-chromatography-574753.html
High Performance Thin Layer Chromatography (HPTLC) based analysis Service High Performance Thin Layer Chromatography (HPTLC) at Creative-Proteomics supports your research in the qualitative and quantitative analysis... http://www.creative-proteomics.com/technology/high-performance-thin-layer-chromatography-hptlc-based-analysis-service.htm
This page is an introduction to chromatography using thin layer chromatography as an example. Although if you are a beginner you may be more familiar with paper chromatography, thin layer chromatography is equally easy to describe and more straightforward to explain.