SOLVENT EXTRACTION OF SALICYLATES .3. DISTRIBUTION OF TRIVALENT CATIONS BETWEEN AQUEOUS SOLUTION AND TRIBUTYL PHOSPHATE IN PRESENCE OF SALICYCLIC ACID

The distribution of iron(III), aluminium(III), and promethium(III) between TBP and aqueous solution in the presence of salicyclic acid has been examined. Both iron(III) and aluminium(III) which exist in aqueous solution as chelates with the doubly-charged salicylate ion extract as species of the type M(C7H4O3(C7H5O3). Promethium(III) which shows little tendency to chelate extracts as Pm(C7H5O3)3. © 1969.