Stephens, B G Propylene carbonate extraction of tris(pentan-2,4-dione)-iron(3) from aqueous solution: application to the spectrophotometric determination of iron. [electronic resource] - The Analyst Mar 1971 - 230-4 p. digital Publication Type: Journal Article ISSN: 0003-2654 Standard No.: 10.1039/an9719600230 doi Subjects--Topical Terms: DioxolesEnvironmental ExposureHydrogen-Ion ConcentrationIron--analysisPoisoning--prevention & controlSolutionsSolventsSpectrophotometry