[RADIOCHROMATOGRAPHIC STUDIES ON FULVIC ACIDS].
D001578:Benzopyrans; D002845:Chromatography; D006812:Humic Substances; D007503:Iron Isotopes; D012106:Research; D014961:X-Ray Diffraction
D001578:Benzopyrans; D006812:Humic Substances; D007503:Iron Isotopes; C005023:fulvic acid
CHROMATOGRAPHY; EXPERIMENTAL LAB STUDY; HUMIC ACIDS; IRON ISOTOPES; X-RAY DIFFRACTION
RADIOCHROMATOGRAFISCHE UNTERSUCHUNGEN AN FULVOSAUREN.