A STUDY ON EXTRACTION OF THORIUM WITH PMBP-LOADED POLYURETHANE[J]. Journal of Nuclear and Radiochemistry, 1983, 05(4): 314-314.
    Citation: A STUDY ON EXTRACTION OF THORIUM WITH PMBP-LOADED POLYURETHANE[J]. Journal of Nuclear and Radiochemistry, 1983, 05(4): 314-314.

    A STUDY ON EXTRACTION OF THORIUM WITH PMBP-LOADED POLYURETHANE

    • PMBP-loaded polyurethane foam as a extractant for thorium nitrate from aqueous solution is investigated. Open-cell polyurethane foam is proved to be effective as supporting material for chelating extraction agent. Thorium nitrate can be quantitatively extracted by PMBP-loaded polyurethane foam over a wide pH range. The effect of equilibrium time, pH of the solution, thorium concentration, various anions and flow rate on the extraction efficiency of thorium is examined. A technique of extraction chromatography column with PMBP-loaded foam cylinder is developed for trace thorium analysis from bulky water samples.
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