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Method for the chromatographic separation of cations from aqueous samples

United States Patent

*** EXPIRED ***
5,651,883
July 29, 1997
View the Complete Patent at the US Patent & Trademark Office
An extraction chromatographic material for extracting metal cations from a iquid stream. The extraction chromatographic material is prepared by adsorbing a diesterified methanediphosphonic acid on an inert particulate support.
Horwitz; E. Philip (Naperville, IL), Chiarizia; Renato (Elmhurst, IL), Dietz; Mark L. (Evanston, IL)
Argonne National Laboratory/University of Chicago Development Corp. (Argonne, IL)
08/ 467,402
June 6, 1995
The U.S. Government has rights in this invention pursuant to Contract No. W-31-109-END-38 between the U.S. Department of Energy and Argonne National Laboratory.