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In the present work, a rapid deposition anodic stripping voltammetry (ASV) for determination of uranium is presented. For this purpose, the uranyl hexacyanoferrate (K 2 UO 2 [Fe(CN) 6 ]) is deposited electrochemically on a thin palladium-aluminum electrode (Pd-Al) from a UO 2  2+  solution in the presence of K 3 Fe(CN) 6 . Then, the well stable (K 2 UO 2 [Fe(CN) 6 ]) on the electrode was stripped by anodic differential pulse voltammetry for measuring the UO 2  2+  ion concentration. The effect of operational parameters, including: concentration of K 3 Fe(CN) 6 , solution pH, deposition potential, and deposition time were studied. In optimum conditions, the calibration graph was linear in the concentration range 10 −5 −7×10 −4  mol L −1  with a detection limit of 6.2×10 −6  mol L −1 . The influence of some concomitant ions in K 2 UO 2 [Fe(CN) 6 ] formation was investigated. The proposed method was used for the rapid determination of uranium in some uranium mineral ores.

Anodic stripping voltammetric determination of uranium at a thin palladium film-aluminum electrode: Analysis of some uranium mineral ores