title: The activity of calcium ions in aqueous solutions of the lower calcium oligogalacturonates.
mesh_terms: D001463:Barbiturates; D002118:Calcium; D002852:Chromatography, Ion Exchange; D002854:Chromatography, Paper; D012996:Solutions; D013053:Spectrophotometry; D014574:Uronic Acids
chemical_list: D001463:Barbiturates; D012996:Solutions; D014574:Uronic Acids; D002118:Calcium