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Electrochemical Study on the Mechanism of Lanthanide Ion Extraction with Methylene Bis(diphenylphosphine oxide) at Ascending Water Electrode

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Abstract

A current scan polarographic and chronopotentiometric examination of transfer processes involving tervalent lanthanides, Ln, and methylene bisfdiphenylphosphine oxide), P, in a dichloroethane/aqueous phase pair has resulted in the finding that the ligand diffuses into the aqueous phase and reacts with an Ln(SO4)+ ion to give a singly charged complex Ln(SO4)Pn+, where n is 1 or 2, which then transfers under the influence of the electrical field into the organic phase.

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Authors and Affiliations

  1. Strategic Metals Recovery Research Facility, Department of Chemistry, University of Arizona, Tucson, AZ, 85721, USA

    W. Yu & H. Preiser

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  1. W. Yu
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  2. H. Preiser
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This research was supported by a grant from the National Science Foundation.

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Yu, W., Preiser, H. Electrochemical Study on the Mechanism of Lanthanide Ion Extraction with Methylene Bis(diphenylphosphine oxide) at Ascending Water Electrode. ANAL. SCI. 3, 401–403 (1987). https://doi.org/10.2116/analsci.3.401

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  • DOI: https://doi.org/10.2116/analsci.3.401

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