Solvent extraction of cobalt using hydroxamic acids
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United States of America Patent
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Nov 21, 1989
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N/A
app pub date -
Jan 20, 1987
filing date -
Dec 27, 1983
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Expired
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Abstract
Cobalt is reversibly extracted from cobalt bearing aqueous solutions using solvent extraction techniques by contacting the aqueous solution with a hydrocarbon solvent containing a N-alkylakanohydroxamic acid having at least about 8 carbon atoms. A new class of cobalt complexes is also provided.
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