title: Thin-layer chromatography on silica gel: quantitative analysis by direct U.V. spectrophotometry.
mesh_terms: D002855:Chromatography, Thin Layer; D012822:Silicon Dioxide; D013053:Spectrophotometry; D014227:Triazines; D014466:Ultraviolet Rays
chemical_list: D014227:Triazines; D012822:Silicon Dioxide