Colour photography of polycyclic compounds on alumina columns.
D000537:Aluminum Oxide; D002845:Chromatography; D003116:Color; D006571:Heterocyclic Compounds; D010781:Photography; D011083:Polycyclic Compounds
D006571:Heterocyclic Compounds; D011083:Polycyclic Compounds; D000537:Aluminum Oxide
CHROMATOGRAPHY; HETEROCYCLIC COMPOUNDS; PHOTOGRAPHY