title: The quantitative separation of porphyrins and protohaemin as methyl esters by thin-layer chromatography.
mesh_terms: D002855:Chromatography, Thin Layer; D006418:Heme / Q000032:analysis*; D011166:Porphyrins / Q000032:analysis*; D012822:Silicon Dioxide; D013057:Spectrum Analysis
chemical_list: D011166:Porphyrins; D006418:Heme; D012822:Silicon Dioxide