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Title: Spectrophotometric determination of trace amounts of iron(III) by extraction of the mixed-ligand iron-fluoride-purpurin complex. Author: Ceba MR, Ramirez AA, Nevado JJ. Journal: Talanta; 1982 Feb; 29(2):142-4. PubMed ID: 18963101. Abstract: The characteristics of the mixed-ligand iron(III)-fluoride-purpurin complex, including optimum conditions of formation and extraction into methyl isobutyl ketone are described. A procedure for determination of trace amounts of iron in fluoride medium (0.5M) with purpurin (1,2,4,-trihydroxy-anthraquinone) in methyl isobutyl ketone is given. The method is suitable for determining iron in the presence of large amounts of aluminium, cyanide, phosphate and nickel.[Abstract] [Full Text] [Related] [New Search]