title: 8. Two simple but useful methods for the analysis of dyes: gel-filtration chromatography and solvent extraction.
mesh_terms: D002850:Chromatography, Gel; D004396:Coloring Agents / Q000032:analysis*; D004340:Drug Contamination; D006651:Histocytochemistry; D008722:Methods; D012997:Solvents; D013194:Staining and Labeling
chemical_list: D004396:Coloring Agents; D012997:Solvents