Supported heteropolycyclic compounds in the separation and removal of late transition metals
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United States of America Patent
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Oct 24, 1989
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N/A
app pub date -
Sep 28, 1987
filing date -
Sep 28, 1987
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Expired
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Abstract
Compositions comprising carbon-based supports and containing heteropolycyclic compounds such as bipyridyl, phenanthroline or derivatives thereof are used in separation of dissolved late transition metals such as Fe, Co, Ni and Cu from solutions, in particular when such solutions contain high concentrations of other dissolved metals such as Zr, Hf, La, Al and Ba. Such compositions are also used to separate late transition metals such as Pt group metals from each other.
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