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Extraction of uranium with triphosphonic esters

Extraction of uranium with triphosphonic esters

United States Patent (4,464,346): 6

Uranium is extracted from an aqueous solution containing 10-45% phosphoric acid by mixing the solution with an organic liquid containing 1-30 wt % of a triphosphonic ester of a given formula. Each of the three phosphoric atoms of suitable triphosphonic esters is bound to a carbon atom of the same hydrocarbon group.

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Accession: 001364959

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